136786404 has 24 divisors (see below), whose sum is σ = 319999680. Its totient is φ = 45476704.

The previous prime is 136786361. The next prime is 136786409. The reversal of 136786404 is 404687631.

It is not an unprimeable number, because it can be changed into a prime (136786409) 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, 9984 + ... + 19319.

It is an arithmetic number, because the mean of its divisors is an integer number (13333320).

Almost surely, 2^136786404 is an apocalyptic number.

It is an amenable number.

136786404 is an abundant number, since it is smaller than the sum of its proper divisors (183213276).

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

136786404 is a wasteful number, since it uses less digits than its factorization.

136786404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29699 (or 29697 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 136786404 is about 11695.5719825924. The cubic root of 136786404 is about 515.2456226155.

The spelling of 136786404 in words is "one hundred thirty-six million, seven hundred eighty-six thousand, four hundred four".