136980612 has 48 divisors (see below), whose sum is σ = 359150400. Its totient is φ = 45144000.

The previous prime is 136980593. The next prime is 136980643. The reversal of 136980612 is 216089631.

136980612 is a `hidden beast` number, since 1 + 36 + 9 + 8 + 0 + 612 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2487 + ... + 16737.

It is an arithmetic number, because the mean of its divisors is an integer number (7482300).

Almost surely, 2^136980612 is an apocalyptic number.

136980612 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 136980612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179575200).

136980612 is an abundant number, since it is smaller than the sum of its proper divisors (222169788).

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

136980612 is a wasteful number, since it uses less digits than its factorization.

136980612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14353 (or 14345 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 136980612 is about 11703.8716671023. The cubic root of 136980612 is about 515.4893542030.

The spelling of 136980612 in words is "one hundred thirty-six million, nine hundred eighty thousand, six hundred twelve".