1489937131 has 2 divisors, whose sum is σ = 1489937132. Its totient is φ = 1489937130.

The previous prime is 1489937129. The next prime is 1489937167. The reversal of 1489937131 is 1317399841.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1489937131 - 2¹ = 1489937129 is a prime.

It is a super-2 number, since 2×1489937131² = 4439825308665022322, which contains 22 as substring.

Together with 1489937129, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1489037131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 744968565 + 744968566.

It is an arithmetic number, because the mean of its divisors is an integer number (744968566).

Almost surely, 2^1489937131 is an apocalyptic number.

1489937131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1489937131 is an equidigital number, since it uses as much as digits as its factorization.

1489937131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 46.

The square root of 1489937131 is about 38599.7037682934. The cubic root of 1489937131 is about 1142.1486948082.

The spelling of 1489937131 in words is "one billion, four hundred eighty-nine million, nine hundred thirty-seven thousand, one hundred thirty-one".