137168620 has 24 divisors (see below), whose sum is σ = 295840944. Its totient is φ = 53384256.

The previous prime is 137168617. The next prime is 137168621. The reversal of 137168620 is 26861731.

It is not an unprimeable number, because it can be changed into a prime (137168621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91942 + ... + 93421.

It is an arithmetic number, because the mean of its divisors is an integer number (12326706).

Almost surely, 2^137168620 is an apocalyptic number.

137168620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137168620 is an abundant number, since it is smaller than the sum of its proper divisors (158672324).

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

137168620 is a wasteful number, since it uses less digits than its factorization.

137168620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185409 (or 185407 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 137168620 is about 11711.9007850989. The cubic root of 137168620 is about 515.7250854140.

The spelling of 137168620 in words is "one hundred thirty-seven million, one hundred sixty-eight thousand, six hundred twenty".