514893138 has 16 divisors (see below), whose sum is σ = 1033080096. Its totient is φ = 171082080.

The previous prime is 514893133. The next prime is 514893143. The reversal of 514893138 is 831398415.

It is an interprime number because it is at equal distance from previous prime (514893133) and next prime (514893143).

It is a super-2 number, since 2×514893138² = 530229887118974088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 514893138.

It is not an unprimeable number, because it can be changed into a prime (514893133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135208 + ... + 138963.

It is an arithmetic number, because the mean of its divisors is an integer number (64567506).

Almost surely, 2^514893138 is an apocalyptic number.

514893138 is an abundant number, since it is smaller than the sum of its proper divisors (518186958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

514893138 is a wasteful number, since it uses less digits than its factorization.

514893138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274489.

The product of its digits is 103680, while the sum is 42.

The square root of 514893138 is about 22691.2568625010. The cubic root of 514893138 is about 801.5040133661.

The spelling of 514893138 in words is "five hundred fourteen million, eight hundred ninety-three thousand, one hundred thirty-eight".