136072402 has 4 divisors (see below), whose sum is σ = 204108606. Its totient is φ = 68036200.

The previous prime is 136072397. The next prime is 136072427. The reversal of 136072402 is 204270631.

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

It can be written as a sum of positive squares in only one way, i.e., 113614281 + 22458121 = 10659^2 + 4739^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 34018099 + ... + 34018102.

Almost surely, 2^136072402 is an apocalyptic number.

136072402 is a deficient number, since it is larger than the sum of its proper divisors (68036204).

136072402 is an equidigital number, since it uses as much as digits as its factorization.

136072402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68036203.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 136072402 is about 11665.0075867956. The cubic root of 136072402 is about 514.3475597509.

The spelling of 136072402 in words is "one hundred thirty-six million, seventy-two thousand, four hundred two".