133400403970 has 24 divisors (see below), whose sum is σ = 248686286004. Its totient is φ = 51520152768.

The previous prime is 133400403943. The next prime is 133400403991. The reversal of 133400403970 is 79304004331.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 25071872281 + 108328531689 = 158341^2 + 329133^2 .

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, 7922649 + ... + 7939468.

Almost surely, 2^133400403970 is an apocalyptic number.

133400403970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133400403970 is a deficient number, since it is larger than the sum of its proper divisors (115285882034).

133400403970 is a wasteful number, since it uses less digits than its factorization.

133400403970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15862182 (or 15862153 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 34.

The spelling of 133400403970 in words is "one hundred thirty-three billion, four hundred million, four hundred three thousand, nine hundred seventy".