136251436 has 12 divisors (see below), whose sum is σ = 238546000. Its totient is φ = 68095440.

The previous prime is 136251421. The next prime is 136251457. The reversal of 136251436 is 634152631.

It is a junction number, because it is equal to n+sod(n) for n = 136251398 and 136251407.

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, 4801 + ... + 17191.

Almost surely, 2^136251436 is an apocalyptic number.

It is an amenable number.

136251436 is a deficient number, since it is larger than the sum of its proper divisors (102294564).

136251436 is a wasteful number, since it uses less digits than its factorization.

136251436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15144 (or 15142 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 136251436 is about 11672.6790412484. The cubic root of 136251436 is about 514.5730410453.

The spelling of 136251436 in words is "one hundred thirty-six million, two hundred fifty-one thousand, four hundred thirty-six".