813710190 has 32 divisors (see below), whose sum is σ = 2000539296. Its totient is φ = 211696640.

The previous prime is 813710173. The next prime is 813710221. The reversal of 813710190 is 91017318.

It is a super-2 number, since 2×813710190² = 1324248546619672200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 329547 + ... + 332006.

It is an arithmetic number, because the mean of its divisors is an integer number (62516853).

Almost surely, 2^813710190 is an apocalyptic number.

813710190 is an abundant number, since it is smaller than the sum of its proper divisors (1186829106).

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

813710190 is a wasteful number, since it uses less digits than its factorization.

813710190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661604.

The product of its (nonzero) digits is 1512, while the sum is 30.

The square root of 813710190 is about 28525.6058656078. The cubic root of 813710190 is about 933.5908463192.

The spelling of 813710190 in words is "eight hundred thirteen million, seven hundred ten thousand, one hundred ninety".