133061340 has 48 divisors (see below), whose sum is σ = 373595040. Its totient is φ = 35385600.

The previous prime is 133061317. The next prime is 133061347. The reversal of 133061340 is 43160331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133061347) 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, 20490 + ... + 26190.

It is an arithmetic number, because the mean of its divisors is an integer number (7783230).

Almost surely, 2^133061340 is an apocalyptic number.

133061340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133061340 is an abundant number, since it is smaller than the sum of its proper divisors (240533700).

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

133061340 is a wasteful number, since it uses less digits than its factorization.

133061340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6102 (or 6100 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 133061340 is about 11535.2217143842. The cubic root of 133061340 is about 510.5253333501.

The spelling of 133061340 in words is "one hundred thirty-three million, sixty-one thousand, three hundred forty".