1465139027 has 18 divisors (see below), whose sum is σ = 1627915212. Its totient is φ = 1317646000.

The previous prime is 1465139009. The next prime is 1465139051. The reversal of 1465139027 is 7209315641.

It is not a de Polignac number, because 1465139027 - 2¹⁴ = 1465122643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1465139227) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1233728 + ... + 1234914.

It is an arithmetic number, because the mean of its divisors is an integer number (90439734).

Almost surely, 2^1465139027 is an apocalyptic number.

1465139027 is a deficient number, since it is larger than the sum of its proper divisors (162776185).

1465139027 is a wasteful number, since it uses less digits than its factorization.

1465139027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411 (or 1299 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 1465139027 is about 38277.1345191878. The cubic root of 1465139027 is about 1135.7766752837.

The spelling of 1465139027 in words is "one billion, four hundred sixty-five million, one hundred thirty-nine thousand, twenty-seven".