137826972026 has 36 divisors (see below), whose sum is σ = 214922427642. Its totient is φ = 66241506672.

The previous prime is 137826972011. The next prime is 137826972029. The reversal of 137826972026 is 620279628731.

It can be written as a sum of positive squares in only one way, i.e., 91263805801 + 46563166225 = 302099^2 + 215785^2 .

It is not an unprimeable number, because it can be changed into a prime (137826972029) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 328942445 + ... + 328942863.

Almost surely, 2^137826972026 is an apocalyptic number.

137826972026 is a deficient number, since it is larger than the sum of its proper divisors (77095455616).

137826972026 is an frugal number, since it uses more digits than its factorization.

137826972026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083 (or 561 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 53.

The spelling of 137826972026 in words is "one hundred thirty-seven billion, eight hundred twenty-six million, nine hundred seventy-two thousand, twenty-six".