133465151840 has 24 divisors (see below), whose sum is σ = 315311421600. Its totient is φ = 53386060672.

The previous prime is 133465151839. The next prime is 133465151851. The reversal of 133465151840 is 48151564331.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417078440 + ... + 417078759.

It is an arithmetic number, because the mean of its divisors is an integer number (13137975900).

Almost surely, 2^133465151840 is an apocalyptic number.

133465151840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133465151840 is an abundant number, since it is smaller than the sum of its proper divisors (181846269760).

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

133465151840 is an equidigital number, since it uses as much as digits as its factorization.

133465151840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834157214 (or 834157206 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 133465151840 in words is "one hundred thirty-three billion, four hundred sixty-five million, one hundred fifty-one thousand, eight hundred forty".