133053540 has 48 divisors (see below), whose sum is σ = 373329600. Its totient is φ = 35406720.

The previous prime is 133053527. The next prime is 133053559. The reversal of 133053540 is 45350331.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 133053540.

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, 30411 + ... + 34509.

It is an arithmetic number, because the mean of its divisors is an integer number (7777700).

Almost surely, 2^133053540 is an apocalyptic number.

133053540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133053540 is an abundant number, since it is smaller than the sum of its proper divisors (240276060).

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

133053540 is a wasteful number, since it uses less digits than its factorization.

133053540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4652 (or 4650 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 133053540 is about 11534.8836144974. The cubic root of 133053540 is about 510.5153575614.

The spelling of 133053540 in words is "one hundred thirty-three million, fifty-three thousand, five hundred forty".