133457890357 has 4 divisors (see below), whose sum is σ = 145590425856. Its totient is φ = 121325354860.

The previous prime is 133457890343. The next prime is 133457890369. The reversal of 133457890357 is 753098754331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133457890357 is a prime.

It is a super-2 number, since 2×133457890357² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133457890298 and 133457890307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133457890457) 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, 6066267733 + ... + 6066267754.

It is an arithmetic number, because the mean of its divisors is an integer number (36397606464).

Almost surely, 2^133457890357 is an apocalyptic number.

It is an amenable number.

133457890357 is a deficient number, since it is larger than the sum of its proper divisors (12132535499).

133457890357 is a wasteful number, since it uses less digits than its factorization.

133457890357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12132535498.

The product of its (nonzero) digits is 9525600, while the sum is 55.

The spelling of 133457890357 in words is "one hundred thirty-three billion, four hundred fifty-seven million, eight hundred ninety thousand, three hundred fifty-seven".