133040402 has 16 divisors (see below), whose sum is σ = 230509152. Its totient is φ = 56915520.

The previous prime is 133040399. The next prime is 133040423. The reversal of 133040402 is 204040331.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177488 + ... + 178235.

It is an arithmetic number, because the mean of its divisors is an integer number (14406822).

Almost surely, 2^133040402 is an apocalyptic number.

133040402 is a deficient number, since it is larger than the sum of its proper divisors (97468750).

133040402 is a wasteful number, since it uses less digits than its factorization.

133040402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355753.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 133040402 is about 11534.3141105139. The cubic root of 133040402 is about 510.4985538709.

Adding to 133040402 its reverse (204040331), we get a palindrome (337080733).

The spelling of 133040402 in words is "one hundred thirty-three million, forty thousand, four hundred two".