133155251524 has 12 divisors (see below), whose sum is σ = 233152834684. Its totient is φ = 66540155904.

The previous prime is 133155251477. The next prime is 133155251531. The reversal of 133155251524 is 425152551331.

It can be written as a sum of positive squares in 2 ways, for example, as 30056463424 + 103098788100 = 173368^2 + 321090^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9359469 + ... + 9373684.

Almost surely, 2^133155251524 is an apocalyptic number.

It is an amenable number.

133155251524 is a deficient number, since it is larger than the sum of its proper divisors (99997583160).

133155251524 is a wasteful number, since it uses less digits than its factorization.

133155251524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18734934 (or 18734932 counting only the distinct ones).

The product of its digits is 90000, while the sum is 37.

The spelling of 133155251524 in words is "one hundred thirty-three billion, one hundred fifty-five million, two hundred fifty-one thousand, five hundred twenty-four".