1490057542139 has 4 divisors (see below), whose sum is σ = 1490062076256. Its totient is φ = 1490053008024.

The previous prime is 1490057542111. The next prime is 1490057542223. The reversal of 1490057542139 is 9312457500941.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1490057542139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1490057142139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1732019 + ... + 2445404.

It is an arithmetic number, because the mean of its divisors is an integer number (372515519064).

Almost surely, 2^{1490057542139} is an apocalyptic number.

1490057542139 is a deficient number, since it is larger than the sum of its proper divisors (4534117).

1490057542139 is an equidigital number, since it uses as much as digits as its factorization.

1490057542139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4534116.

The product of its (nonzero) digits is 1360800, while the sum is 50.

The spelling of 1490057542139 in words is "one trillion, four hundred ninety billion, fifty-seven million, five hundred forty-two thousand, one hundred thirty-nine".