133400277460 has 24 divisors (see below), whose sum is σ = 280157328360. Its totient is φ = 53356921344.

The previous prime is 133400277383. The next prime is 133400277481. The reversal of 133400277460 is 64772004331.

It can be written as a sum of positive squares in 4 ways, for example, as 21927094084 + 111473183376 = 148078^2 + 333876^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159336 + ... + 540544.

It is an arithmetic number, because the mean of its divisors is an integer number (11673222015).

Almost surely, 2^133400277460 is an apocalyptic number.

133400277460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133400277460 is an abundant number, since it is smaller than the sum of its proper divisors (146757050900).

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

133400277460 is a wasteful number, since it uses less digits than its factorization.

133400277460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398715 (or 398713 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 37.

The spelling of 133400277460 in words is "one hundred thirty-three billion, four hundred million, two hundred seventy-seven thousand, four hundred sixty".