133764616 has 32 divisors (see below), whose sum is σ = 255744000. Its totient is φ = 65577600.

The previous prime is 133764613. The next prime is 133764637. The reversal of 133764616 is 616467331.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (133764613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115641 + ... + 116791.

It is an arithmetic number, because the mean of its divisors is an integer number (7992000).

Almost surely, 2^133764616 is an apocalyptic number.

It is an amenable number.

133764616 is a deficient number, since it is larger than the sum of its proper divisors (121979384).

133764616 is a wasteful number, since it uses less digits than its factorization.

133764616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429 (or 1425 counting only the distinct ones).

The product of its digits is 54432, while the sum is 37.

The square root of 133764616 is about 11565.6653937419. The cubic root of 133764616 is about 511.4231887149.

The spelling of 133764616 in words is "one hundred thirty-three million, seven hundred sixty-four thousand, six hundred sixteen".