133602891145 has 8 divisors (see below), whose sum is σ = 161493714504. Its totient is φ = 106102149504.

The previous prime is 133602891139. The next prime is 133602891161. The reversal of 133602891145 is 541198206331.

It can be written as a sum of positive squares in 4 ways, for example, as 2857009401 + 130745881744 = 53451^2 + 361588^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133602891145 - 2⁷ = 133602891017 is a prime.

It is a super-2 number, since 2×133602891145² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97519674 + ... + 97521043.

It is an arithmetic number, because the mean of its divisors is an integer number (20186714313).

Almost surely, 2^133602891145 is an apocalyptic number.

It is an amenable number.

133602891145 is a deficient number, since it is larger than the sum of its proper divisors (27890823359).

133602891145 is a wasteful number, since it uses less digits than its factorization.

133602891145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195040859.

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 133602891145 in words is "one hundred thirty-three billion, six hundred two million, eight hundred ninety-one thousand, one hundred forty-five".