133791410 has 16 divisors (see below), whose sum is σ = 241154712. Its totient is φ = 53443200.

The previous prime is 133791403. The next prime is 133791431. The reversal of 133791410 is 14197331.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 44129449 + 89661961 = 6643^2 + 9469^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1181 + ... + 16400.

Almost surely, 2^133791410 is an apocalyptic number.

133791410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133791410 is a deficient number, since it is larger than the sum of its proper divisors (107363302).

133791410 is a wasteful number, since it uses less digits than its factorization.

133791410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18349.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 133791410 is about 11566.8236780890. The cubic root of 133791410 is about 511.4573336641.

The spelling of 133791410 in words is "one hundred thirty-three million, seven hundred ninety-one thousand, four hundred ten".