133974504 has 24 divisors (see below), whose sum is σ = 362847810. Its totient is φ = 44658144.

The previous prime is 133974497. The next prime is 133974509. The reversal of 133974504 is 405479331.

It can be written as a sum of positive squares in only one way, i.e., 132020100 + 1954404 = 11490^2 + 1398^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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

It is not an unprimeable number, because it can be changed into a prime (133974509) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 930307 + ... + 930450.

Almost surely, 2^133974504 is an apocalyptic number.

It is an amenable number.

133974504 is an abundant number, since it is smaller than the sum of its proper divisors (228873306).

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

133974504 is a wasteful number, since it uses less digits than its factorization.

133974504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860769 (or 1860762 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 133974504 is about 11574.7355909325. The cubic root of 133974504 is about 511.6905376837.

The spelling of 133974504 in words is "one hundred thirty-three million, nine hundred seventy-four thousand, five hundred four".