133745458356 has 18 divisors (see below), whose sum is σ = 338078797602. Its totient is φ = 44581819440.

The previous prime is 133745458339. The next prime is 133745458373. The reversal of 133745458356 is 653854547331.

133745458356 is a `hidden beast` number, since 1 + 3 + 3 + 7 + 4 + 5 + 4 + 583 + 56 = 666.

It is an interprime number because it is at equal distance from previous prime (133745458339) and next prime (133745458373).

It can be written as a sum of positive squares in only one way, i.e., 103387971600 + 30357486756 = 321540^2 + 174234^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1857575775 + ... + 1857575846.

Almost surely, 2^133745458356 is an apocalyptic number.

It is an amenable number.

133745458356 is an abundant number, since it is smaller than the sum of its proper divisors (204333339246).

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

133745458356 is a wasteful number, since it uses less digits than its factorization.

133745458356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3715151631 (or 3715151626 counting only the distinct ones).

The product of its digits is 18144000, while the sum is 54.

The spelling of 133745458356 in words is "one hundred thirty-three billion, seven hundred forty-five million, four hundred fifty-eight thousand, three hundred fifty-six".