133402472 has 16 divisors (see below), whose sum is σ = 285862560. Its totient is φ = 57172464.

The previous prime is 133402471. The next prime is 133402513. The reversal of 133402472 is 274204331.

It is not an unprimeable number, because it can be changed into a prime (133402471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1191038 + ... + 1191149.

It is an arithmetic number, because the mean of its divisors is an integer number (17866410).

Almost surely, 2^133402472 is an apocalyptic number.

It is an amenable number.

133402472 is an abundant number, since it is smaller than the sum of its proper divisors (152460088).

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

133402472 is a wasteful number, since it uses less digits than its factorization.

133402472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2382200 (or 2382196 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 133402472 is about 11549.9987878787. The cubic root of 133402472 is about 510.9612423580.

The spelling of 133402472 in words is "one hundred thirty-three million, four hundred two thousand, four hundred seventy-two".