136031512 has 8 divisors (see below), whose sum is σ = 255059100. Its totient is φ = 68015752.

The previous prime is 136031491. The next prime is 136031513. The reversal of 136031512 is 215130631.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×136031512² = 37009144514012288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136031513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8501962 + ... + 8501977.

Almost surely, 2^136031512 is an apocalyptic number.

It is an amenable number.

136031512 is a deficient number, since it is larger than the sum of its proper divisors (119027588).

136031512 is a wasteful number, since it uses less digits than its factorization.

136031512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17003945 (or 17003941 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 136031512 is about 11663.2547772909. The cubic root of 136031512 is about 514.2960338023.

The spelling of 136031512 in words is "one hundred thirty-six million, thirty-one thousand, five hundred twelve".