136519031 has 16 divisors (see below), whose sum is σ = 152125440. Its totient is φ = 121474080.

The previous prime is 136519021. The next prime is 136519063. The reversal of 136519031 is 130915631.

136519031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136519031 is a prime.

It is a super-2 number, since 2×136519031² = 37274891650357922, 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 = 136518985 and 136519003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136519021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109745 + ... + 110981.

It is an arithmetic number, because the mean of its divisors is an integer number (9507840).

Almost surely, 2^136519031 is an apocalyptic number.

136519031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

136519031 is a deficient number, since it is larger than the sum of its proper divisors (15606409).

136519031 is a wasteful number, since it uses less digits than its factorization.

136519031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 136519031 is about 11684.1358687752. The cubic root of 136519031 is about 514.9096910173.

The spelling of 136519031 in words is "one hundred thirty-six million, five hundred nineteen thousand, thirty-one".