133512953572 has 6 divisors (see below), whose sum is σ = 233647668758. Its totient is φ = 66756476784.

The previous prime is 133512953491. The next prime is 133512953597. The reversal of 133512953572 is 275359215331.

It can be written as a sum of positive squares in only one way, i.e., 99296832996 + 34216120576 = 315114^2 + 184976^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16689119193 + ... + 16689119200.

Almost surely, 2^133512953572 is an apocalyptic number.

It is an amenable number.

133512953572 is a deficient number, since it is larger than the sum of its proper divisors (100134715186).

133512953572 is a wasteful number, since it uses less digits than its factorization.

133512953572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33378238397 (or 33378238395 counting only the distinct ones).

The product of its digits is 850500, while the sum is 46.

The spelling of 133512953572 in words is "one hundred thirty-three billion, five hundred twelve million, nine hundred fifty-three thousand, five hundred seventy-two".