137823855 has 32 divisors (see below), whose sum is σ = 238074816. Its totient is φ = 67682304.

The previous prime is 137823839. The next prime is 137823871. The reversal of 137823855 is 558328731.

137823855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (137823839) and next prime (137823871).

It is not a de Polignac number, because 137823855 - 2⁴ = 137823839 is a prime.

It is a super-2 number, since 2×137823855² = 37990830014122050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118959 + ... + 120111.

It is an arithmetic number, because the mean of its divisors is an integer number (7439838).

Almost surely, 2^137823855 is an apocalyptic number.

137823855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

137823855 is a deficient number, since it is larger than the sum of its proper divisors (100250961).

137823855 is a wasteful number, since it uses less digits than its factorization.

137823855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787.

The product of its digits is 201600, while the sum is 42.

The square root of 137823855 is about 11739.8405014719. The cubic root of 137823855 is about 516.5449631253.

The spelling of 137823855 in words is "one hundred thirty-seven million, eight hundred twenty-three thousand, eight hundred fifty-five".