136757772 has 72 divisors (see below), whose sum is σ = 359604336. Its totient is φ = 43784064.

The previous prime is 136757749. The next prime is 136757783. The reversal of 136757772 is 277757631.

136757772 is a `hidden beast` number, since 1 + 3 + 6 + 7 + 577 + 72 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109938 + ... + 111174.

Almost surely, 2^136757772 is an apocalyptic number.

136757772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136757772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179802168).

136757772 is an abundant number, since it is smaller than the sum of its proper divisors (222846564).

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

136757772 is a wasteful number, since it uses less digits than its factorization.

136757772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367 (or 1362 counting only the distinct ones).

The product of its digits is 432180, while the sum is 45.

The square root of 136757772 is about 11694.3478655289. The cubic root of 136757772 is about 515.2096698656.

The spelling of 136757772 in words is "one hundred thirty-six million, seven hundred fifty-seven thousand, seven hundred seventy-two".