136391352 has 16 divisors (see below), whose sum is σ = 340978440. Its totient is φ = 45463776.

The previous prime is 136391347. The next prime is 136391369. The reversal of 136391352 is 253193631.

It is a congruent number.

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, 2841463 + ... + 2841510.

Almost surely, 2^136391352 is an apocalyptic number.

136391352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

136391352 is an abundant number, since it is smaller than the sum of its proper divisors (204587088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136391352 is a wasteful number, since it uses less digits than its factorization.

136391352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5682982 (or 5682978 counting only the distinct ones).

The product of its digits is 14580, while the sum is 33.

The square root of 136391352 is about 11678.6708147803. The cubic root of 136391352 is about 514.7491183851.

The spelling of 136391352 in words is "one hundred thirty-six million, three hundred ninety-one thousand, three hundred fifty-two".