136450978 has 8 divisors (see below), whose sum is σ = 204727068. Its totient is φ = 68208624.

The previous prime is 136450969. The next prime is 136450981. The reversal of 136450978 is 879054631.

It can be written as a sum of positive squares in 2 ways, for example, as 102961609 + 33489369 = 10147^2 + 5787^2 .

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, 8400 + ... + 18532.

Almost surely, 2^136450978 is an apocalyptic number.

136450978 is a deficient number, since it is larger than the sum of its proper divisors (68276090).

136450978 is a wasteful number, since it uses less digits than its factorization.

136450978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16868.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 136450978 is about 11681.2233092258. The cubic root of 136450978 is about 514.8241181535.

The spelling of 136450978 in words is "one hundred thirty-six million, four hundred fifty thousand, nine hundred seventy-eight".