133900149379 has 4 divisors (see below), whose sum is σ = 134029024480. Its totient is φ = 133771274280.

The previous prime is 133900149311. The next prime is 133900149391. The reversal of 133900149379 is 973941009331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 973941009331 = 23117 ⋅42130943.

It is a cyclic number.

It is not a de Polignac number, because 133900149379 - 2²³ = 133891760771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133900149179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64435992 + ... + 64438069.

It is an arithmetic number, because the mean of its divisors is an integer number (33507256120).

Almost surely, 2^133900149379 is an apocalyptic number.

133900149379 is a deficient number, since it is larger than the sum of its proper divisors (128875101).

133900149379 is a wasteful number, since it uses less digits than its factorization.

133900149379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128875100.

The product of its (nonzero) digits is 551124, while the sum is 49.

The spelling of 133900149379 in words is "one hundred thirty-three billion, nine hundred million, one hundred forty-nine thousand, three hundred seventy-nine".