1490013081 has 24 divisors (see below), whose sum is σ = 2239654560. Its totient is φ = 953781696.

The previous prime is 1490013073. The next prime is 1490013113. The reversal of 1490013081 is 1803100941.

It is not a de Polignac number, because 1490013081 - 2³ = 1490013073 is a prime.

It is a super-2 number, since 2×1490013081² = 4440277963102225122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1490013181) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9796 + ... + 55461.

It is an arithmetic number, because the mean of its divisors is an integer number (93318940).

Almost surely, 2^1490013081 is an apocalyptic number.

It is an amenable number.

1490013081 is a deficient number, since it is larger than the sum of its proper divisors (749641479).

1490013081 is a wasteful number, since it uses less digits than its factorization.

1490013081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65365 (or 65362 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 1490013081 is about 38600.6875715964. The cubic root of 1490013081 is about 1142.1681016045.

The spelling of 1490013081 in words is "one billion, four hundred ninety million, thirteen thousand, eighty-one".