1913144088 has 32 divisors (see below), whose sum is σ = 4801930560. Its totient is φ = 635172000.

The previous prime is 1913144087. The next prime is 1913144099. The reversal of 1913144088 is 8804413191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1913144081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152770 + ... + 164817.

It is an arithmetic number, because the mean of its divisors is an integer number (150060330).

Almost surely, 2^1913144088 is an apocalyptic number.

It is an amenable number.

1913144088 is an abundant number, since it is smaller than the sum of its proper divisors (2888786472).

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

1913144088 is a wasteful number, since it uses less digits than its factorization.

1913144088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317847 (or 317843 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 1913144088 is about 43739.5026034819. The cubic root of 1913144088 is about 1241.4118691105.

The spelling of 1913144088 in words is "one billion, nine hundred thirteen million, one hundred forty-four thousand, eighty-eight".