133015490 has 32 divisors (see below), whose sum is σ = 243995760. Its totient is φ = 52199424.

The previous prime is 133015457. The next prime is 133015501. The reversal of 133015490 is 94510331.

It can be written as a sum of positive squares in 8 ways, for example, as 78092569 + 54922921 = 8837^2 + 7411^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187256 + ... + 187964.

Almost surely, 2^133015490 is an apocalyptic number.

133015490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133015490 is a deficient number, since it is larger than the sum of its proper divisors (110980270).

133015490 is a wasteful number, since it uses less digits than its factorization.

133015490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 133015490 is about 11533.2341517893. The cubic root of 133015490 is about 510.4666880275.

The spelling of 133015490 in words is "one hundred thirty-three million, fifteen thousand, four hundred ninety".