307136664 has 128 divisors (see below), whose sum is σ = 897523200. Its totient is φ = 97130880.

The previous prime is 307136663. The next prime is 307136677. The reversal of 307136664 is 466631703.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307136663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1048102 + ... + 1048394.

It is an arithmetic number, because the mean of its divisors is an integer number (7011900).

Almost surely, 2^307136664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 307136664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (448761600).

307136664 is an abundant number, since it is smaller than the sum of its proper divisors (590386536).

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

307136664 is a wasteful number, since it uses less digits than its factorization.

307136664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542 (or 532 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 307136664 is about 17525.3149472413. The cubic root of 307136664 is about 674.6997578291.

The spelling of 307136664 in words is "three hundred seven million, one hundred thirty-six thousand, six hundred sixty-four".