133925898607 has 4 divisors (see below), whose sum is σ = 133928481456. Its totient is φ = 133923315760.

The previous prime is 133925898539. The next prime is 133925898637. The reversal of 133925898607 is 706898529331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 706898529331 = 293 ⋅2412622967.

It is a cyclic number.

It is not a de Polignac number, because 133925898607 - 2²⁷ = 133791680879 is a prime.

It is a super-2 number, since 2×133925898607² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133925898637) 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, 1212019 + ... + 1317892.

It is an arithmetic number, because the mean of its divisors is an integer number (33482120364).

Almost surely, 2^133925898607 is an apocalyptic number.

133925898607 is a deficient number, since it is larger than the sum of its proper divisors (2582849).

133925898607 is an equidigital number, since it uses as much as digits as its factorization.

133925898607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2582848.

The product of its (nonzero) digits is 19595520, while the sum is 61.

The spelling of 133925898607 in words is "one hundred thirty-three billion, nine hundred twenty-five million, eight hundred ninety-eight thousand, six hundred seven".