133428954868 has 48 divisors (see below), whose sum is σ = 270594878400. Its totient is φ = 56930273280.

The previous prime is 133428954859. The next prime is 133428954877. The reversal of 133428954868 is 868459824331.

It is an interprime number because it is at equal distance from previous prime (133428954859) and next prime (133428954877).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 641005 + ... + 823252.

It is an arithmetic number, because the mean of its divisors is an integer number (5637393300).

Almost surely, 2^133428954868 is an apocalyptic number.

It is an amenable number.

133428954868 is an abundant number, since it is smaller than the sum of its proper divisors (137165923532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133428954868 is a wasteful number, since it uses less digits than its factorization.

133428954868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464400 (or 1464398 counting only the distinct ones).

The product of its digits is 39813120, while the sum is 61.

The spelling of 133428954868 in words is "one hundred thirty-three billion, four hundred twenty-eight million, nine hundred fifty-four thousand, eight hundred sixty-eight".