133000140 has 96 divisors (see below), whose sum is σ = 458357760. Its totient is φ = 28060416.

The previous prime is 133000139. The next prime is 133000157. The reversal of 133000140 is 41000331.

133000140 = T₁₆₆₄ + T₁₆₆₅ + ... + T₁₇₅₄.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6720 + ... + 17639.

It is an arithmetic number, because the mean of its divisors is an integer number (4774560).

Almost surely, 2^133000140 is an apocalyptic number.

133000140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133000140 is an abundant number, since it is smaller than the sum of its proper divisors (325357620).

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

133000140 is a wasteful number, since it uses less digits than its factorization.

133000140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24391 (or 24389 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 133000140 is about 11532.5686644390. The cubic root of 133000140 is about 510.4470513042.

Adding to 133000140 its reverse (41000331), we get a palindrome (174000471).

The spelling of 133000140 in words is "one hundred thirty-three million, one hundred forty", and thus it is an aban number.