133301040 has 40 divisors (see below), whose sum is σ = 413233968. Its totient is φ = 35546880.

The previous prime is 133301011. The next prime is 133301053. The reversal of 133301040 is 40103331.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277471 + ... + 277950.

Almost surely, 2^133301040 is an apocalyptic number.

133301040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133301040 is an abundant number, since it is smaller than the sum of its proper divisors (279932928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133301040 is a wasteful number, since it uses less digits than its factorization.

133301040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555437 (or 555431 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 133301040 is about 11545.6069567607. The cubic root of 133301040 is about 510.8317071222.

Adding to 133301040 its reverse (40103331), we get a palindrome (173404371).

The spelling of 133301040 in words is "one hundred thirty-three million, three hundred one thousand, forty".