Search a number
-
+
135425141 = 197127639
BaseRepresentation
bin10000001001001…
…10110001110101
3100102211022100222
420010212301311
5234132101031
621234344125
73233044325
oct1004466165
9312738328
10135425141
116a497a05
123942b045
1322097c27
1413db3285
15bd50e7b
hex8126c75

135425141 has 4 divisors (see below), whose sum is σ = 142552800. Its totient is φ = 128297484.

The previous prime is 135425131. The next prime is 135425149. The reversal of 135425141 is 141524531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 141524531 = 407334747.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-135425141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135425141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135425149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3563801 + ... + 3563838.

It is an arithmetic number, because the mean of its divisors is an integer number (35638200).

Almost surely, 2135425141 is an apocalyptic number.

It is an amenable number.

135425141 is a deficient number, since it is larger than the sum of its proper divisors (7127659).

135425141 is an equidigital number, since it uses as much as digits as its factorization.

135425141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7127658.

The product of its digits is 2400, while the sum is 26.

The square root of 135425141 is about 11637.2308132133. The cubic root of 135425141 is about 513.5307240638.

Adding to 135425141 its reverse (141524531), we get a palindrome (276949672).

The spelling of 135425141 in words is "one hundred thirty-five million, four hundred twenty-five thousand, one hundred forty-one".

Divisors: 1 19 7127639 135425141