137125726 has 16 divisors (see below), whose sum is σ = 208620000. Its totient is φ = 67592448.

The previous prime is 137125693. The next prime is 137125727. The reversal of 137125726 is 627521731.

It is a junction number, because it is equal to n+sod(n) for n = 137125691 and 137125700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137125727) 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, 43450 + ... + 46498.

It is an arithmetic number, because the mean of its divisors is an integer number (13038750).

Almost surely, 2^137125726 is an apocalyptic number.

137125726 is a deficient number, since it is larger than the sum of its proper divisors (71494274).

137125726 is a wasteful number, since it uses less digits than its factorization.

137125726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3363.

The product of its digits is 17640, while the sum is 34.

The square root of 137125726 is about 11710.0694276336. The cubic root of 137125726 is about 515.6713223447.

The spelling of 137125726 in words is "one hundred thirty-seven million, one hundred twenty-five thousand, seven hundred twenty-six".