340279513 has 8 divisors (see below), whose sum is σ = 389032128. Its totient is φ = 291562224.

The previous prime is 340279501. The next prime is 340279517. The reversal of 340279513 is 315972043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 340279513 - 2⁵ = 340279481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340279517) 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, 16770 + ... + 31012.

It is an arithmetic number, because the mean of its divisors is an integer number (48629016).

Almost surely, 2^340279513 is an apocalyptic number.

It is an amenable number.

340279513 is a deficient number, since it is larger than the sum of its proper divisors (48752615).

340279513 is a wasteful number, since it uses less digits than its factorization.

340279513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17663.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 340279513 is about 18446.6667178653. Note that the first 3 decimals coincide. The cubic root of 340279513 is about 698.1444140618.

The spelling of 340279513 in words is "three hundred forty million, two hundred seventy-nine thousand, five hundred thirteen".