137562637507 has 4 divisors (see below), whose sum is σ = 137688727176. Its totient is φ = 137436547840.

The previous prime is 137562637483. The next prime is 137562637571. The reversal of 137562637507 is 705736265731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 137562637507 - 2¹¹ = 137562635459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137562637907) 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, 63043198 + ... + 63045379.

It is an arithmetic number, because the mean of its divisors is an integer number (34422181794).

Almost surely, 2^137562637507 is an apocalyptic number.

137562637507 is a deficient number, since it is larger than the sum of its proper divisors (126089669).

137562637507 is a wasteful number, since it uses less digits than its factorization.

137562637507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126089668.

The product of its (nonzero) digits is 5556600, while the sum is 52.

The spelling of 137562637507 in words is "one hundred thirty-seven billion, five hundred sixty-two million, six hundred thirty-seven thousand, five hundred seven".