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135124007 = 179781943
BaseRepresentation
bin10000000110111…
…01010000100111
3100102021000021212
420003131100213
5234042432012
621224102035
73230351354
oct1003352047
9312230255
10135124007
116a301737
123930491b
1321cc0b45
1413d3562b
15bce1b22
hex80dd427

135124007 has 8 divisors (see below), whose sum is σ = 144549216. Its totient is φ = 125862912.

The previous prime is 135124001. The next prime is 135124019. The reversal of 135124007 is 700421531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135124007 - 26 = 135123943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135124001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39323 + ... + 42620.

It is an arithmetic number, because the mean of its divisors is an integer number (18068652).

Almost surely, 2135124007 is an apocalyptic number.

135124007 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

135124007 is a deficient number, since it is larger than the sum of its proper divisors (9425209).

135124007 is an equidigital number, since it uses as much as digits as its factorization.

135124007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82057.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 135124007 is about 11624.2852253375. The cubic root of 135124007 is about 513.1498092571.

Adding to 135124007 its reverse (700421531), we get a palindrome (835545538).

The spelling of 135124007 in words is "one hundred thirty-five million, one hundred twenty-four thousand, seven".

Divisors: 1 17 97 1649 81943 1393031 7948471 135124007