137993476 has 12 divisors (see below), whose sum is σ = 244398672. Its totient is φ = 68165288.

The previous prime is 137993473. The next prime is 137993477. The reversal of 137993476 is 674399731.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (137993473) 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 3 ways as a sum of consecutive naturals, for example, 207490 + ... + 208153.

It is an arithmetic number, because the mean of its divisors is an integer number (20366556).

Almost surely, 2^137993476 is an apocalyptic number.

It is an amenable number.

137993476 is a deficient number, since it is larger than the sum of its proper divisors (106405196).

137993476 is a wasteful number, since it uses less digits than its factorization.

137993476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415730 (or 415728 counting only the distinct ones).

The product of its digits is 857304, while the sum is 49.

The square root of 137993476 is about 11747.0624413085. The cubic root of 137993476 is about 516.7567816917.

The spelling of 137993476 in words is "one hundred thirty-seven million, nine hundred ninety-three thousand, four hundred seventy-six".