136700928 has 264 divisors, whose sum is σ = 488790848. Its totient is φ = 35831808.

The previous prime is 136700887. The next prime is 136700947. The reversal of 136700928 is 829007631.

It is a super-2 number, since 2×136700928² = 37374287432122368, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 136700892 and 136700901.

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, 838575 + ... + 838737.

Almost surely, 2^136700928 is an apocalyptic number.

136700928 is a gapful number since it is divisible by the number (18) 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 136700928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244395424).

136700928 is an abundant number, since it is smaller than the sum of its proper divisors (352089920).

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

136700928 is a wasteful number, since it uses less digits than its factorization.

136700928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 188 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 136700928 is about 11691.9172080545. The cubic root of 136700928 is about 515.1382768796.

The spelling of 136700928 in words is "one hundred thirty-six million, seven hundred thousand, nine hundred twenty-eight".