137725572701 has 4 divisors (see below), whose sum is σ = 137726948352. Its totient is φ = 137724197052.

The previous prime is 137725572659. The next prime is 137725572731. The reversal of 137725572701 is 107275527731.

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.

It is a cyclic number.

It is not a de Polignac number, because 137725572701 - 2⁶ = 137725572637 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 (137725572731) 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, 524765 + ... + 742178.

It is an arithmetic number, because the mean of its divisors is an integer number (34431737088).

Almost surely, 2^137725572701 is an apocalyptic number.

It is an amenable number.

137725572701 is a deficient number, since it is larger than the sum of its proper divisors (1375651).

137725572701 is a wasteful number, since it uses less digits than its factorization.

137725572701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375650.

The product of its (nonzero) digits is 720300, while the sum is 47.

The spelling of 137725572701 in words is "one hundred thirty-seven billion, seven hundred twenty-five million, five hundred seventy-two thousand, seven hundred one".