133158831854 has 8 divisors (see below), whose sum is σ = 211487556528. Its totient is φ = 62662979680.

The previous prime is 133158831847. The next prime is 133158831877. The reversal of 133158831854 is 458138851331.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1958218082 + ... + 1958218149.

It is an arithmetic number, because the mean of its divisors is an integer number (26435944566).

Almost surely, 2^133158831854 is an apocalyptic number.

133158831854 is a deficient number, since it is larger than the sum of its proper divisors (78328724674).

133158831854 is a wasteful number, since it uses less digits than its factorization.

133158831854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3916436250.

The product of its digits is 1382400, while the sum is 50.

The spelling of 133158831854 in words is "one hundred thirty-three billion, one hundred fifty-eight million, eight hundred thirty-one thousand, eight hundred fifty-four".