133560490 has 32 divisors (see below), whose sum is σ = 275322240. Its totient is φ = 45697344.

The previous prime is 133560487. The next prime is 133560499. The reversal of 133560490 is 94065331.

It is not an unprimeable number, because it can be changed into a prime (133560499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37716 + ... + 41104.

It is an arithmetic number, because the mean of its divisors is an integer number (8603820).

Almost surely, 2^133560490 is an apocalyptic number.

133560490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133560490 is an abundant number, since it is smaller than the sum of its proper divisors (141761750).

133560490 is a wasteful number, since it uses less digits than its factorization.

133560490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3966.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 133560490 is about 11556.8373701459. The cubic root of 133560490 is about 511.1629108216.

The spelling of 133560490 in words is "one hundred thirty-three million, five hundred sixty thousand, four hundred ninety".