136857804 has 12 divisors (see below), whose sum is σ = 319334904. Its totient is φ = 45619264.

The previous prime is 136857781. The next prime is 136857827. The reversal of 136857804 is 408758631.

It is an interprime number because it is at equal distance from previous prime (136857781) and next prime (136857827).

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5702397 + ... + 5702420.

It is an arithmetic number, because the mean of its divisors is an integer number (26611242).

Almost surely, 2^136857804 is an apocalyptic number.

It is an amenable number.

136857804 is an abundant number, since it is smaller than the sum of its proper divisors (182477100).

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

136857804 is a wasteful number, since it uses less digits than its factorization.

136857804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11404824 (or 11404822 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 136857804 is about 11698.6240216531. The cubic root of 136857804 is about 515.3352566173.

The spelling of 136857804 in words is "one hundred thirty-six million, eight hundred fifty-seven thousand, eight hundred four".