136632890 has 8 divisors (see below), whose sum is σ = 245939220. Its totient is φ = 54653152.

The previous prime is 136632871. The next prime is 136632907. The reversal of 136632890 is 98236631.

It can be written as a sum of positive squares in 2 ways, for example, as 136632721 + 169 = 11689^2 + 13^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6831635 + ... + 6831654.

Almost surely, 2^136632890 is an apocalyptic number.

136632890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136632890 is a deficient number, since it is larger than the sum of its proper divisors (109306330).

136632890 is a wasteful number, since it uses less digits than its factorization.

136632890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13663296.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 136632890 is about 11689.0072290165. The cubic root of 136632890 is about 515.0527988096.

The spelling of 136632890 in words is "one hundred thirty-six million, six hundred thirty-two thousand, eight hundred ninety".