137643952 has 20 divisors (see below), whose sum is σ = 266936040. Its totient is φ = 68757248.

The previous prime is 137643931. The next prime is 137643953. The reversal of 137643952 is 259346731.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (137643953) 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, 16728 + ... + 23560.

It is an arithmetic number, because the mean of its divisors is an integer number (13346802).

Almost surely, 2^137643952 is an apocalyptic number.

It is an amenable number.

137643952 is a deficient number, since it is larger than the sum of its proper divisors (129292088).

137643952 is a wasteful number, since it uses less digits than its factorization.

137643952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8100 (or 8094 counting only the distinct ones).

The product of its digits is 136080, while the sum is 40.

The square root of 137643952 is about 11732.1759277638. The cubic root of 137643952 is about 516.3201146495.

The spelling of 137643952 in words is "one hundred thirty-seven million, six hundred forty-three thousand, nine hundred fifty-two".