133051140 has 48 divisors (see below), whose sum is σ = 413938560. Its totient is φ = 35480160.

The previous prime is 133051123. The next prime is 133051141. The reversal of 133051140 is 41150331.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (133051141) 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, 122656 + ... + 123735.

It is an arithmetic number, because the mean of its divisors is an integer number (8623720).

Almost surely, 2^133051140 is an apocalyptic number.

133051140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133051140 is an abundant number, since it is smaller than the sum of its proper divisors (280887420).

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

133051140 is a wasteful number, since it uses less digits than its factorization.

133051140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246409 (or 246401 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 133051140 is about 11534.7795817692. The cubic root of 133051140 is about 510.5122880096.

The spelling of 133051140 in words is "one hundred thirty-three million, fifty-one thousand, one hundred forty".