133251324 has 48 divisors (see below), whose sum is σ = 319630080. Its totient is φ = 43182720.

The previous prime is 133251289. The next prime is 133251329. The reversal of 133251324 is 423152331.

It is a junction number, because it is equal to n+sod(n) for n = 133251294 and 133251303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133251329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144537 + ... + 145455.

It is an arithmetic number, because the mean of its divisors is an integer number (6658960).

Almost surely, 2^133251324 is an apocalyptic number.

It is an amenable number.

133251324 is an abundant number, since it is smaller than the sum of its proper divisors (186378756).

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

133251324 is a wasteful number, since it uses less digits than its factorization.

133251324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250 (or 1248 counting only the distinct ones).

The product of its digits is 2160, while the sum is 24.

The square root of 133251324 is about 11543.4537292788. The cubic root of 133251324 is about 510.7681925712.

The spelling of 133251324 in words is "one hundred thirty-three million, two hundred fifty-one thousand, three hundred twenty-four".