139459514 has 16 divisors (see below), whose sum is σ = 216228096. Its totient is φ = 67389600.

The previous prime is 139459513. The next prime is 139459531. The reversal of 139459514 is 415954931.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (139459513) 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, 80174 + ... + 81894.

It is an arithmetic number, because the mean of its divisors is an integer number (13514256).

Almost surely, 2^139459514 is an apocalyptic number.

139459514 is a deficient number, since it is larger than the sum of its proper divisors (76768582).

139459514 is a wasteful number, since it uses less digits than its factorization.

139459514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3061.

The product of its digits is 97200, while the sum is 41.

The square root of 139459514 is about 11809.2977775988. The cubic root of 139459514 is about 518.5803412090.

The spelling of 139459514 in words is "one hundred thirty-nine million, four hundred fifty-nine thousand, five hundred fourteen".