133984372 has 6 divisors (see below), whose sum is σ = 234472658. Its totient is φ = 66992184.

The previous prime is 133984349. The next prime is 133984373. The reversal of 133984372 is 273489331.

It can be written as a sum of positive squares in only one way, i.e., 133957476 + 26896 = 11574^2 + 164^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133984373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16748043 + ... + 16748050.

Almost surely, 2^133984372 is an apocalyptic number.

It is an amenable number.

133984372 is a deficient number, since it is larger than the sum of its proper divisors (100488286).

133984372 is a wasteful number, since it uses less digits than its factorization.

133984372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33496097 (or 33496095 counting only the distinct ones).

The product of its digits is 108864, while the sum is 40.

The square root of 133984372 is about 11575.1618563198. The cubic root of 133984372 is about 511.7031003681.

The spelling of 133984372 in words is "one hundred thirty-three million, nine hundred eighty-four thousand, three hundred seventy-two".