133151143131451 has 32 divisors (see below), whose sum is σ = 141937727113728. Its totient is φ = 124472071764480.

The previous prime is 133151143131373. The next prime is 133151143131533. The reversal of 133151143131451 is 154131341151331.

It is a cyclic number.

It is not a de Polignac number, because 133151143131451 - 2⁷ = 133151143131323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133151143131451.

It is not an unprimeable number, because it can be changed into a prime (133151143138451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15808038426 + ... + 15808046848.

It is an arithmetic number, because the mean of its divisors is an integer number (4435553972304).

Almost surely, 2^{133151143131451} is an apocalyptic number.

133151143131451 is a deficient number, since it is larger than the sum of its proper divisors (8786583982277).

133151143131451 is a wasteful number, since it uses less digits than its factorization.

133151143131451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13251.

The product of its digits is 32400, while the sum is 37.

Adding to 133151143131451 its reverse (154131341151331), we get a palindrome (287282484282782).

The spelling of 133151143131451 in words is "one hundred thirty-three trillion, one hundred fifty-one billion, one hundred forty-three million, one hundred thirty-one thousand, four hundred fifty-one".