133456403142651 has 8 divisors (see below), whose sum is σ = 178863849463120. Its totient is φ = 88509946125312.

The previous prime is 133456403142619. The next prime is 133456403142661. The reversal of 133456403142651 is 156241304654331.

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

It is not a de Polignac number, because 133456403142651 - 2⁵ = 133456403142619 is a prime.

It is a super-2 number, since 2×133456403142651² (a number of 29 digits) contains 22 as substring.

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 133456403142651.

It is not an unprimeable number, because it can be changed into a prime (133456403142661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115247325106 + ... + 115247326263.

It is an arithmetic number, because the mean of its divisors is an integer number (22357981182890).

Almost surely, 2^{133456403142651} is an apocalyptic number.

133456403142651 is a deficient number, since it is larger than the sum of its proper divisors (45407446320469).

133456403142651 is a wasteful number, since it uses less digits than its factorization.

133456403142651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230494651565.

The product of its (nonzero) digits is 3110400, while the sum is 48.

Adding to 133456403142651 its reverse (156241304654331), we get a palindrome (289697707796982).

The spelling of 133456403142651 in words is "one hundred thirty-three trillion, four hundred fifty-six billion, four hundred three million, one hundred forty-two thousand, six hundred fifty-one".