133857191316 has 24 divisors (see below), whose sum is σ = 315252453600. Its totient is φ = 44202062752.

The previous prime is 133857191297. The next prime is 133857191317. The reversal of 133857191316 is 613191758331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133857191317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52123791 + ... + 52126358.

It is an arithmetic number, because the mean of its divisors is an integer number (13135518900).

Almost surely, 2^133857191316 is an apocalyptic number.

It is an amenable number.

133857191316 is an abundant number, since it is smaller than the sum of its proper divisors (181395262284).

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

133857191316 is a wasteful number, since it uses less digits than its factorization.

133857191316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104250263 (or 104250261 counting only the distinct ones).

The product of its digits is 408240, while the sum is 48.

The spelling of 133857191316 in words is "one hundred thirty-three billion, eight hundred fifty-seven million, one hundred ninety-one thousand, three hundred sixteen".