136720382 has 4 divisors (see below), whose sum is σ = 205080576. Its totient is φ = 68360190.

The previous prime is 136720373. The next prime is 136720391. The reversal of 136720382 is 283027631.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (136720373) and next prime (136720391).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34180094 + ... + 34180097.

It is an arithmetic number, because the mean of its divisors is an integer number (51270144).

Almost surely, 2^136720382 is an apocalyptic number.

136720382 is a deficient number, since it is larger than the sum of its proper divisors (68360194).

136720382 is an equidigital number, since it uses as much as digits as its factorization.

136720382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68360193.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 136720382 is about 11692.7491207158. The cubic root of 136720382 is about 515.1627122775.

The spelling of 136720382 in words is "one hundred thirty-six million, seven hundred twenty thousand, three hundred eighty-two".