133154254400 has 84 divisors (see below), whose sum is σ = 346915857348. Its totient is φ = 50128650240.

The previous prime is 133154254397. The next prime is 133154254411. The reversal of 133154254400 is 4452451331.

It can be written as a sum of positive squares in 6 ways, for example, as 6281513536 + 126872740864 = 79256^2 + 356192^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2420489 + ... + 2474888.

Almost surely, 2^133154254400 is an apocalyptic number.

133154254400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133154254400 is an abundant number, since it is smaller than the sum of its proper divisors (213761602948).

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

133154254400 is a wasteful number, since it uses less digits than its factorization.

133154254400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4895416 (or 4895401 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 133154254400 in words is "one hundred thirty-three billion, one hundred fifty-four million, two hundred fifty-four thousand, four hundred".