133857465898 has 16 divisors (see below), whose sum is σ = 216833621760. Its totient is φ = 61608274416.

The previous prime is 133857465887. The next prime is 133857465949. The reversal of 133857465898 is 898564758331.

It is a super-3 number, since 3×133857465898³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

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, 7161090 + ... + 7179757.

It is an arithmetic number, because the mean of its divisors is an integer number (13552101360).

Almost surely, 2^133857465898 is an apocalyptic number.

133857465898 is a deficient number, since it is larger than the sum of its proper divisors (82976155862).

133857465898 is a wasteful number, since it uses less digits than its factorization.

133857465898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14341221.

The product of its digits is 174182400, while the sum is 67.

The spelling of 133857465898 in words is "one hundred thirty-three billion, eight hundred fifty-seven million, four hundred sixty-five thousand, eight hundred ninety-eight".