137855311 has 4 divisors (see below), whose sum is σ = 150387624. Its totient is φ = 125323000.

The previous prime is 137855297. The next prime is 137855321. The reversal of 137855311 is 113558731.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 137855311 - 2²¹ = 135758159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137855321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6266140 + ... + 6266161.

It is an arithmetic number, because the mean of its divisors is an integer number (37596906).

Almost surely, 2^137855311 is an apocalyptic number.

137855311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

137855311 is a deficient number, since it is larger than the sum of its proper divisors (12532313).

137855311 is a wasteful number, since it uses less digits than its factorization.

137855311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12532312.

The product of its digits is 12600, while the sum is 34.

The square root of 137855311 is about 11741.1801365962. The cubic root of 137855311 is about 516.5842577316.

The spelling of 137855311 in words is "one hundred thirty-seven million, eight hundred fifty-five thousand, three hundred eleven".