137388696 has 128 divisors (see below), whose sum is σ = 393984000. Its totient is φ = 39647232.

The previous prime is 137388673. The next prime is 137388707. The reversal of 137388696 is 696883731.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 286585 + ... + 287063.

It is an arithmetic number, because the mean of its divisors is an integer number (3078000).

Almost surely, 2^137388696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137388696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196992000).

137388696 is an abundant number, since it is smaller than the sum of its proper divisors (256595304).

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

137388696 is a wasteful number, since it uses less digits than its factorization.

137388696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561 (or 557 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 51.

The square root of 137388696 is about 11721.2924202069. The cubic root of 137388696 is about 516.0007511557. Note that the first 3 decimals are identical.

The spelling of 137388696 in words is "one hundred thirty-seven million, three hundred eighty-eight thousand, six hundred ninety-six".