137153868 has 12 divisors (see below), whose sum is σ = 320025720. Its totient is φ = 45717952.

The previous prime is 137153843. The next prime is 137153911. The reversal of 137153868 is 868351731.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×137153868² = 37622367014722848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5714733 + ... + 5714756.

It is an arithmetic number, because the mean of its divisors is an integer number (26668810).

Almost surely, 2^137153868 is an apocalyptic number.

It is an amenable number.

137153868 is an abundant number, since it is smaller than the sum of its proper divisors (182871852).

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

137153868 is a wasteful number, since it uses less digits than its factorization.

137153868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11429496 (or 11429494 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 137153868 is about 11711.2709814093. The cubic root of 137153868 is about 515.7065966148.

The spelling of 137153868 in words is "one hundred thirty-seven million, one hundred fifty-three thousand, eight hundred sixty-eight".