137749398572 has 12 divisors (see below), whose sum is σ = 241264540440. Its totient is φ = 68816672736.

The previous prime is 137749398559. The next prime is 137749398653. The reversal of 137749398572 is 275893947731.

It is a junction number, because it is equal to n+sod(n) for n = 137749398499 and 137749398508.

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, 14501297 + ... + 14510792.

It is an arithmetic number, because the mean of its divisors is an integer number (20105378370).

Almost surely, 2^137749398572 is an apocalyptic number.

It is an amenable number.

137749398572 is a deficient number, since it is larger than the sum of its proper divisors (103515141868).

137749398572 is a wasteful number, since it uses less digits than its factorization.

137749398572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29013280 (or 29013278 counting only the distinct ones).

The product of its digits is 80015040, while the sum is 65.

The spelling of 137749398572 in words is "one hundred thirty-seven billion, seven hundred forty-nine million, three hundred ninety-eight thousand, five hundred seventy-two".