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137025701 = 197211879
BaseRepresentation
bin10000010101011…
…01100010100101
3100112211121220222
420022231202211
5240034310301
621332534125
73252461561
oct1012554245
9315747828
10137025701
117039048a
1239a81345
13225085c7
14142ac6a1
15c06a31b
hex82ad8a5

137025701 has 4 divisors (see below), whose sum is σ = 144237600. Its totient is φ = 129813804.

The previous prime is 137025643. The next prime is 137025709. The reversal of 137025701 is 107520731.

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: 107520731 = 412726053.

It is a cyclic number.

It is not a de Polignac number, because 137025701 - 210 = 137024677 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 (137025709) 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, 3605921 + ... + 3605958.

It is an arithmetic number, because the mean of its divisors is an integer number (36059400).

Almost surely, 2137025701 is an apocalyptic number.

It is an amenable number.

137025701 is a deficient number, since it is larger than the sum of its proper divisors (7211899).

137025701 is an equidigital number, since it uses as much as digits as its factorization.

137025701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7211898.

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 137025701 is about 11705.7977515418. The cubic root of 137025701 is about 515.5459080695.

The spelling of 137025701 in words is "one hundred thirty-seven million, twenty-five thousand, seven hundred one".

Divisors: 1 19 7211879 137025701