1440132487 has 2 divisors, whose sum is σ = 1440132488. Its totient is φ = 1440132486.

The previous prime is 1440132481. The next prime is 1440132527. The reversal of 1440132487 is 7842310441.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1440132487 - 2²⁷ = 1305914759 is a prime.

It is a super-2 number, since 2×1440132487² = 4147963160225610338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1440132481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720066243 + 720066244.

It is an arithmetic number, because the mean of its divisors is an integer number (720066244).

Almost surely, 2^1440132487 is an apocalyptic number.

1440132487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1440132487 is an equidigital number, since it uses as much as digits as its factorization.

1440132487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 1440132487 is about 37949.0775513714. The cubic root of 1440132487 is about 1129.2778655508.

The spelling of 1440132487 in words is "one billion, four hundred forty million, one hundred thirty-two thousand, four hundred eighty-seven".