136996392 has 64 divisors (see below), whose sum is σ = 370762560. Its totient is φ = 41932800.

The previous prime is 136996373. The next prime is 136996393. The reversal of 136996392 is 293699631.

It is a happy number.

It is a super-2 number, since 2×136996392² = 37536022842035328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136996393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64792 + ... + 66872.

It is an arithmetic number, because the mean of its divisors is an integer number (5793165).

Almost surely, 2^136996392 is an apocalyptic number.

136996392 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 136996392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185381280).

136996392 is an abundant number, since it is smaller than the sum of its proper divisors (233766168).

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

136996392 is a wasteful number, since it uses less digits than its factorization.

136996392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314 (or 2310 counting only the distinct ones).

The product of its digits is 472392, while the sum is 48.

The square root of 136996392 is about 11704.5457835834. The cubic root of 136996392 is about 515.5091480253.

The spelling of 136996392 in words is "one hundred thirty-six million, nine hundred ninety-six thousand, three hundred ninety-two".