137897366698710 has 160 divisors (see below), whose sum is σ = 376174077393312. Its totient is φ = 36239557178880.

The previous prime is 137897366698643. The next prime is 137897366698733. The reversal of 137897366698710 is 17896663798731.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a self number, because there is not a number n which added to its sum of digits gives 137897366698710.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 72201165 + ... + 74086455.

Almost surely, 2^{137897366698710} is an apocalyptic number.

137897366698710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 137897366698710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188087038696656).

137897366698710 is an abundant number, since it is smaller than the sum of its proper divisors (238276710694602).

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

137897366698710 is a wasteful number, since it uses less digits than its factorization.

137897366698710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886620 (or 1886611 counting only the distinct ones).

The product of its (nonzero) digits is 3456649728, while the sum is 81.

The spelling of 137897366698710 in words is "one hundred thirty-seven trillion, eight hundred ninety-seven billion, three hundred sixty-six million, six hundred ninety-eight thousand, seven hundred ten".