136657345 has 8 divisors (see below), whose sum is σ = 178896960. Its totient is φ = 99387120.

The previous prime is 136657307. The next prime is 136657349. The reversal of 136657345 is 543756631.

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

It is not a de Polignac number, because 136657345 - 2¹³ = 136649153 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 136657298 and 136657307.

It is not an unprimeable number, because it can be changed into a prime (136657349) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1242285 + ... + 1242394.

It is an arithmetic number, because the mean of its divisors is an integer number (22362120).

Almost surely, 2^136657345 is an apocalyptic number.

It is an amenable number.

136657345 is a deficient number, since it is larger than the sum of its proper divisors (42239615).

136657345 is a wasteful number, since it uses less digits than its factorization.

136657345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2484695.

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

The square root of 136657345 is about 11690.0532505203. The cubic root of 136657345 is about 515.0835255861.

The spelling of 136657345 in words is "one hundred thirty-six million, six hundred fifty-seven thousand, three hundred forty-five".