133880241492 has 18 divisors (see below), whose sum is σ = 338419499418. Its totient is φ = 44626747152.

The previous prime is 133880241461. The next prime is 133880241499. The reversal of 133880241492 is 294142088331.

133880241492 is a `hidden beast` number, since 13 + 38 + 80 + 2 + 41 + 492 = 666.

It can be written as a sum of positive squares in only one way, i.e., 95458753296 + 38421488196 = 308964^2 + 196014^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133880241499) 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, 1859447763 + ... + 1859447834.

It is an arithmetic number, because the mean of its divisors is an integer number (18801083301).

Almost surely, 2^133880241492 is an apocalyptic number.

133880241492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133880241492 is an abundant number, since it is smaller than the sum of its proper divisors (204539257926).

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

133880241492 is a wasteful number, since it uses less digits than its factorization.

133880241492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3718895607 (or 3718895602 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 133880241492 in words is "one hundred thirty-three billion, eight hundred eighty million, two hundred forty-one thousand, four hundred ninety-two".