133672763651 has 8 divisors (see below), whose sum is σ = 154920547584. Its totient is φ = 112962898440.

The previous prime is 133672763579. The next prime is 133672763683. The reversal of 133672763651 is 156367276331.

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

It is a de Polignac number, because none of the positive numbers 2^k-133672763651 is a prime.

It is a super-2 number, since 2×133672763651² (a number of 23 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 133672763651.

It is not an unprimeable number, because it can be changed into a prime (133672763051) 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, 134479145 + ... + 134480138.

It is an arithmetic number, because the mean of its divisors is an integer number (19365068448).

Almost surely, 2^133672763651 is an apocalyptic number.

133672763651 is a deficient number, since it is larger than the sum of its proper divisors (21247783933).

133672763651 is an equidigital number, since it uses as much as digits as its factorization.

133672763651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268959361.

The product of its digits is 2857680, while the sum is 50.

The spelling of 133672763651 in words is "one hundred thirty-three billion, six hundred seventy-two million, seven hundred sixty-three thousand, six hundred fifty-one".