813154133 has 8 divisors (see below), whose sum is σ = 887664960. Its totient is φ = 738741280.

The previous prime is 813154103. The next prime is 813154141. The reversal of 813154133 is 331451318.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-813154133 is a prime.

It is a super-2 number, since 2×813154133² = 1322439288029963378, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 813154096 and 813154105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813154103) 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, 6560 + ... + 40857.

It is an arithmetic number, because the mean of its divisors is an integer number (110958120).

Almost surely, 2^813154133 is an apocalyptic number.

It is an amenable number.

813154133 is a deficient number, since it is larger than the sum of its proper divisors (74510827).

813154133 is a wasteful number, since it uses less digits than its factorization.

813154133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48987.

The product of its digits is 4320, while the sum is 29.

The square root of 813154133 is about 28515.8575708324. The cubic root of 813154133 is about 933.3781383111.

The spelling of 813154133 in words is "eight hundred thirteen million, one hundred fifty-four thousand, one hundred thirty-three".