1514138915 has 24 divisors (see below), whose sum is σ = 1933908432. Its totient is φ = 1137830400.

The previous prime is 1514138909. The next prime is 1514138953. The reversal of 1514138915 is 5198314151.

It is not a de Polignac number, because 1514138915 - 2¹² = 1514134819 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1440140 + ... + 1441190.

It is an arithmetic number, because the mean of its divisors is an integer number (80579518).

Almost surely, 2^1514138915 is an apocalyptic number.

1514138915 is a deficient number, since it is larger than the sum of its proper divisors (419769517).

1514138915 is a wasteful number, since it uses less digits than its factorization.

1514138915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2087 (or 2070 counting only the distinct ones).

The product of its digits is 21600, while the sum is 38.

The square root of 1514138915 is about 38911.9379496833. The cubic root of 1514138915 is about 1148.2996712184.

The spelling of 1514138915 in words is "one billion, five hundred fourteen million, one hundred thirty-eight thousand, nine hundred fifteen".