136645357 has 8 divisors (see below), whose sum is σ = 142195680. Its totient is φ = 131202960.

The previous prime is 136645339. The next prime is 136645373. The reversal of 136645357 is 753546631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136645357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136645057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24394 + ... + 29467.

It is an arithmetic number, because the mean of its divisors is an integer number (17774460).

Almost surely, 2^136645357 is an apocalyptic number.

It is an amenable number.

136645357 is a deficient number, since it is larger than the sum of its proper divisors (5550323).

136645357 is an equidigital number, since it uses as much as digits as its factorization.

136645357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53963.

The product of its digits is 226800, while the sum is 40.

The square root of 136645357 is about 11689.5404956739. The cubic root of 136645357 is about 515.0684635785.

The spelling of 136645357 in words is "one hundred thirty-six million, six hundred forty-five thousand, three hundred fifty-seven".