1990713036 has 48 divisors (see below), whose sum is σ = 5118654464. Its totient is φ = 598280256.

The previous prime is 1990713031. The next prime is 1990713037. The reversal of 1990713036 is 6303170991.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 1990712985 and 1990713003.

It is not an unprimeable number, because it can be changed into a prime (1990713031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141676 + ... + 155091.

Almost surely, 2^1990713036 is an apocalyptic number.

It is an amenable number.

1990713036 is an abundant number, since it is smaller than the sum of its proper divisors (3127941428).

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

1990713036 is a wasteful number, since it uses less digits than its factorization.

1990713036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296830 (or 296828 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 39.

The square root of 1990713036 is about 44617.4073204618. The cubic root of 1990713036 is about 1257.9678833646.

The spelling of 1990713036 in words is "one billion, nine hundred ninety million, seven hundred thirteen thousand, thirty-six".