137473103997 has 6 divisors (see below), whose sum is σ = 198572261342. Its totient is φ = 91648735992.

The previous prime is 137473103981. The next prime is 137473104007. The reversal of 137473103997 is 799301374731.

137473103997 is a `hidden beast` number, since 137 + 473 + 1 + 0 + 39 + 9 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 105741382041 + 31731721956 = 325179^2 + 178134^2 .

It is not a de Polignac number, because 137473103997 - 2⁴ = 137473103981 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 (137473103297) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7637394658 + ... + 7637394675.

Almost surely, 2^137473103997 is an apocalyptic number.

It is an amenable number.

137473103997 is a deficient number, since it is larger than the sum of its proper divisors (61099157345).

137473103997 is a wasteful number, since it uses less digits than its factorization.

137473103997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15274789339 (or 15274789336 counting only the distinct ones).

The product of its (nonzero) digits is 3000564, while the sum is 54.

The spelling of 137473103997 in words is "one hundred thirty-seven billion, four hundred seventy-three million, one hundred three thousand, nine hundred ninety-seven".