137660020 has 24 divisors (see below), whose sum is σ = 290866464. Its totient is φ = 54724896.

The previous prime is 137660011. The next prime is 137660021. The reversal of 137660020 is 20066731.

It is a super-2 number, since 2×137660020² = 37900562212800800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137660021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17854 + ... + 24373.

It is an arithmetic number, because the mean of its divisors is an integer number (12119436).

Almost surely, 2^137660020 is an apocalyptic number.

137660020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137660020 is an abundant number, since it is smaller than the sum of its proper divisors (153206444).

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

137660020 is a wasteful number, since it uses less digits than its factorization.

137660020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42399 (or 42397 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 137660020 is about 11732.8606912381. The cubic root of 137660020 is about 516.3402049106.

The spelling of 137660020 in words is "one hundred thirty-seven million, six hundred sixty thousand, twenty".