133040984 has 8 divisors (see below), whose sum is σ = 249451860. Its totient is φ = 66520488.

The previous prime is 133040981. The next prime is 133040987. The reversal of 133040984 is 489040331.

It is an interprime number because it is at equal distance from previous prime (133040981) and next prime (133040987).

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 133040984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133040981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8315054 + ... + 8315069.

Almost surely, 2^133040984 is an apocalyptic number.

It is an amenable number.

133040984 is a deficient number, since it is larger than the sum of its proper divisors (116410876).

133040984 is a wasteful number, since it uses less digits than its factorization.

133040984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16630129 (or 16630125 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 133040984 is about 11534.3393395547. The cubic root of 133040984 is about 510.4992982807.

The spelling of 133040984 in words is "one hundred thirty-three million, forty thousand, nine hundred eighty-four".