137372591406 has 16 divisors (see below), whose sum is σ = 276333307344. Its totient is φ = 45526176384.

The previous prime is 137372591381. The next prime is 137372591431. The reversal of 137372591406 is 604195273731.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (137372591381) and next prime (137372591431).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66170731 + ... + 66172806.

It is an arithmetic number, because the mean of its divisors is an integer number (17270831709).

Almost surely, 2^137372591406 is an apocalyptic number.

137372591406 is an abundant number, since it is smaller than the sum of its proper divisors (138960715938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137372591406 is a wasteful number, since it uses less digits than its factorization.

137372591406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132343715.

The product of its (nonzero) digits is 952560, while the sum is 48.

The spelling of 137372591406 in words is "one hundred thirty-seven billion, three hundred seventy-two million, five hundred ninety-one thousand, four hundred six".