133374428697 has 8 divisors (see below), whose sum is σ = 177834356640. Its totient is φ = 88915393280.

The previous prime is 133374428689. The next prime is 133374428713. The reversal of 133374428697 is 796824473331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133374428697 - 2³ = 133374428689 is a prime.

It is a super-2 number, since 2×133374428697² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133374428197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302329 + ... + 598457.

It is an arithmetic number, because the mean of its divisors is an integer number (22229294580).

Almost surely, 2^133374428697 is an apocalyptic number.

It is an amenable number.

133374428697 is a deficient number, since it is larger than the sum of its proper divisors (44459927943).

133374428697 is a wasteful number, since it uses less digits than its factorization.

133374428697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446263.

The product of its digits is 18289152, while the sum is 57.

The spelling of 133374428697 in words is "one hundred thirty-three billion, three hundred seventy-four million, four hundred twenty-eight thousand, six hundred ninety-seven".