136645342 has 16 divisors (see below), whose sum is σ = 211708080. Its totient is φ = 66111552.

The previous prime is 136645339. The next prime is 136645373. The reversal of 136645342 is 243546631.

It is a junction number, because it is equal to n+sod(n) for n = 136645298 and 136645307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1092 + ... + 16567.

It is an arithmetic number, because the mean of its divisors is an integer number (13231755).

Almost surely, 2^136645342 is an apocalyptic number.

136645342 is a deficient number, since it is larger than the sum of its proper divisors (75062738).

136645342 is a wasteful number, since it uses less digits than its factorization.

136645342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17787.

The product of its digits is 51840, while the sum is 34.

The square root of 136645342 is about 11689.5398540747. The cubic root of 136645342 is about 515.0684447316.

The spelling of 136645342 in words is "one hundred thirty-six million, six hundred forty-five thousand, three hundred forty-two".