133472426645 has 4 divisors (see below), whose sum is σ = 160166911980. Its totient is φ = 106777941312.

The previous prime is 133472426629. The next prime is 133472426663. The reversal of 133472426645 is 546624274331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 91955104081 + 41517322564 = 303241^2 + 203758^2 .

It is a cyclic number.

It is not a de Polignac number, because 133472426645 - 2⁴ = 133472426629 is a prime.

It is a super-3 number, since 3×133472426645³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133472426645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13347242660 + ... + 13347242669.

It is an arithmetic number, because the mean of its divisors is an integer number (40041727995).

Almost surely, 2^133472426645 is an apocalyptic number.

It is an amenable number.

133472426645 is a deficient number, since it is larger than the sum of its proper divisors (26694485335).

133472426645 is an equidigital number, since it uses as much as digits as its factorization.

133472426645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26694485334.

The product of its digits is 2903040, while the sum is 47.

The spelling of 133472426645 in words is "one hundred thirty-three billion, four hundred seventy-two million, four hundred twenty-six thousand, six hundred forty-five".