136351031 has 12 divisors (see below), whose sum is σ = 141352848. Its totient is φ = 131516352.

The previous prime is 136351021. The next prime is 136351099. The reversal of 136351031 is 130153631.

It is a happy number.

It is not a de Polignac number, because 136351031 - 2²² = 132156727 is a prime.

It is a super-2 number, since 2×136351031² = 37183207309525922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136350988 and 136351006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136351001) 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 11 ways as a sum of consecutive naturals, for example, 187190 + ... + 187916.

It is an arithmetic number, because the mean of its divisors is an integer number (11779404).

Almost surely, 2^136351031 is an apocalyptic number.

136351031 is a deficient number, since it is larger than the sum of its proper divisors (5001817).

136351031 is an equidigital number, since it uses as much as digits as its factorization.

136351031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938 (or 901 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 136351031 is about 11676.9444205237. The cubic root of 136351031 is about 514.6983887640.

The spelling of 136351031 in words is "one hundred thirty-six million, three hundred fifty-one thousand, thirty-one".