136947810 has 16 divisors (see below), whose sum is σ = 328674816. Its totient is φ = 36519408.

The previous prime is 136947787. The next prime is 136947817. The reversal of 136947810 is 18749631.

It is a super-2 number, since 2×136947810² = 37509405327592200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136947817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2282434 + ... + 2282493.

It is an arithmetic number, because the mean of its divisors is an integer number (20542176).

Almost surely, 2^136947810 is an apocalyptic number.

136947810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136947810 is an abundant number, since it is smaller than the sum of its proper divisors (191727006).

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

136947810 is a wasteful number, since it uses less digits than its factorization.

136947810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4564937.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 136947810 is about 11702.4702520451. The cubic root of 136947810 is about 515.4482037768.

The spelling of 136947810 in words is "one hundred thirty-six million, nine hundred forty-seven thousand, eight hundred ten".