137521705126 has 8 divisors (see below), whose sum is σ = 222150446784. Its totient is φ = 63471556200.

The previous prime is 137521705103. The next prime is 137521705151. The reversal of 137521705126 is 621507125731.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2644648150 + ... + 2644648201.

It is an arithmetic number, because the mean of its divisors is an integer number (27768805848).

Almost surely, 2^137521705126 is an apocalyptic number.

137521705126 is a deficient number, since it is larger than the sum of its proper divisors (84628741658).

137521705126 is a wasteful number, since it uses less digits than its factorization.

137521705126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5289296366.

The product of its (nonzero) digits is 88200, while the sum is 40.

The spelling of 137521705126 in words is "one hundred thirty-seven billion, five hundred twenty-one million, seven hundred five thousand, one hundred twenty-six".