133031660440401 has 24 divisors (see below), whose sum is σ = 197778362966184. Its totient is φ = 86103624879360.

The previous prime is 133031660440391. The next prime is 133031660440409. The reversal of 133031660440401 is 104044066130331.

133031660440401 is a `hidden beast` number, since 1 + 3 + 3 + 0 + 3 + 1 + 6 + 604 + 4 + 0 + 40 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5596370892225 + 127435289548176 = 2365665^2 + 11288724^2 .

It is not a de Polignac number, because 133031660440401 - 2⁶ = 133031660440337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133031660440409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 433137676 + ... + 433444701.

It is an arithmetic number, because the mean of its divisors is an integer number (8240765123591).

Almost surely, 2^{133031660440401} is an apocalyptic number.

It is an amenable number.

133031660440401 is a deficient number, since it is larger than the sum of its proper divisors (64746702525783).

133031660440401 is a wasteful number, since it uses less digits than its factorization.

133031660440401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866582881 (or 866582878 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 133031660440401 in words is "one hundred thirty-three trillion, thirty-one billion, six hundred sixty million, four hundred forty thousand, four hundred one".