136031402 has 16 divisors (see below), whose sum is σ = 227321640. Its totient is φ = 60618432.

The previous prime is 136031381. The next prime is 136031411. The reversal of 136031402 is 204130631.

It can be written as a sum of positive squares in 4 ways, for example, as 53421481 + 82609921 = 7309^2 + 9089^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 89453 + ... + 90960.

Almost surely, 2^136031402 is an apocalyptic number.

136031402 is a deficient number, since it is larger than the sum of its proper divisors (91290238).

136031402 is a wasteful number, since it uses less digits than its factorization.

136031402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180457.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 136031402 is about 11663.2500616252. The cubic root of 136031402 is about 514.2958951762.

The spelling of 136031402 in words is "one hundred thirty-six million, thirty-one thousand, four hundred two".