133216704 has 56 divisors (see below), whose sum is σ = 391637520. Its totient is φ = 44404992.

The previous prime is 133216697. The next prime is 133216711. The reversal of 133216704 is 407612331.

It is an interprime number because it is at equal distance from previous prime (133216697) and next prime (133216711).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36819 + ... + 40274.

Almost surely, 2^133216704 is an apocalyptic number.

It is an amenable number.

133216704 is an abundant number, since it is smaller than the sum of its proper divisors (258420816).

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

133216704 is an equidigital number, since it uses as much as digits as its factorization.

133216704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77114 (or 77098 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 133216704 is about 11541.9540806572. The cubic root of 133216704 is about 510.7239545457.

The spelling of 133216704 in words is "one hundred thirty-three million, two hundred sixteen thousand, seven hundred four".