136451290 has 16 divisors (see below), whose sum is σ = 246187368. Its totient is φ = 54452736.

The previous prime is 136451269. The next prime is 136451311. The reversal of 136451290 is 92154631.

It is an interprime number because it is at equal distance from previous prime (136451269) and next prime (136451311).

It can be written as a sum of positive squares in 4 ways, for example, as 32798529 + 103652761 = 5727^2 + 10181^2 .

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, 11427 + ... + 20086.

Almost surely, 2^136451290 is an apocalyptic number.

136451290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136451290 is a deficient number, since it is larger than the sum of its proper divisors (109736078).

136451290 is a wasteful number, since it uses less digits than its factorization.

136451290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31953.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 136451290 is about 11681.2366639838. The cubic root of 136451290 is about 514.8245105410.

The spelling of 136451290 in words is "one hundred thirty-six million, four hundred fifty-one thousand, two hundred ninety".