133144002 has 24 divisors (see below), whose sum is σ = 293370480. Its totient is φ = 43628760.

The previous prime is 133143991. The next prime is 133144021. The reversal of 133144002 is 200441331.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61624 + ... + 63747.

It is an arithmetic number, because the mean of its divisors is an integer number (12223770).

Almost surely, 2^133144002 is an apocalyptic number.

133144002 is an abundant number, since it is smaller than the sum of its proper divisors (160226478).

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

133144002 is a wasteful number, since it uses less digits than its factorization.

133144002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125438 (or 125435 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 133144002 is about 11538.8041841432. The cubic root of 133144002 is about 510.6310297385.

Adding to 133144002 its reverse (200441331), we get a palindrome (333585333).

The spelling of 133144002 in words is "one hundred thirty-three million, one hundred forty-four thousand, two".