133456788890 has 32 divisors (see below), whose sum is σ = 244571682960. Its totient is φ = 52424838144.

The previous prime is 133456788889. The next prime is 133456788961. The reversal of 133456788890 is 98887654331.

It can be written as a sum of positive squares in 8 ways, for example, as 40187018089 + 93269770801 = 200467^2 + 305401^2 .

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, 418589 + ... + 664928.

Almost surely, 2^133456788890 is an apocalyptic number.

133456788890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133456788890 is a deficient number, since it is larger than the sum of its proper divisors (111114894070).

133456788890 is a wasteful number, since it uses less digits than its factorization.

133456788890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083746.

The product of its (nonzero) digits is 34836480, while the sum is 62.

The spelling of 133456788890 in words is "one hundred thirty-three billion, four hundred fifty-six million, seven hundred eighty-eight thousand, eight hundred ninety".