136837031 has 4 divisors (see below), whose sum is σ = 144039000. Its totient is φ = 129635064.

The previous prime is 136837013. The next prime is 136837067. The reversal of 136837031 is 130738631.

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

It is a cyclic number.

It is not a de Polignac number, because 136837031 - 2¹⁸ = 136574887 is a prime.

It is a super-2 number, since 2×136837031² = 37448746105789922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136837081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3600956 + ... + 3600993.

It is an arithmetic number, because the mean of its divisors is an integer number (36009750).

Almost surely, 2^136837031 is an apocalyptic number.

136837031 is a deficient number, since it is larger than the sum of its proper divisors (7201969).

136837031 is an equidigital number, since it uses as much as digits as its factorization.

136837031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7201968.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 136837031 is about 11697.7361485033. The cubic root of 136837031 is about 515.3091818627.

The spelling of 136837031 in words is "one hundred thirty-six million, eight hundred thirty-seven thousand, thirty-one".