133335590148 has 18 divisors (see below), whose sum is σ = 337042741854. Its totient is φ = 44445196704.

The previous prime is 133335590123. The next prime is 133335590149. The reversal of 133335590148 is 841095533331.

133335590148 is a `hidden beast` number, since 13 + 3 + 3 + 3 + 5 + 590 + 1 + 48 = 666.

It can be written as a sum of positive squares in only one way, i.e., 132851502144 + 484088004 = 364488^2 + 22002^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (133335590149) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1851883161 + ... + 1851883232.

Almost surely, 2^133335590148 is an apocalyptic number.

133335590148 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

133335590148 is an abundant number, since it is smaller than the sum of its proper divisors (203707151706).

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

133335590148 is a wasteful number, since it uses less digits than its factorization.

133335590148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3703766403 (or 3703766398 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The spelling of 133335590148 in words is "one hundred thirty-three billion, three hundred thirty-five million, five hundred ninety thousand, one hundred forty-eight".