340079138 has 16 divisors (see below), whose sum is σ = 613677120. Its totient is φ = 138077136.

The previous prime is 340079123. The next prime is 340079149. The reversal of 340079138 is 831970043.

It is a junction number, because it is equal to n+sod(n) for n = 340079098 and 340079107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 638981 + ... + 639512.

It is an arithmetic number, because the mean of its divisors is an integer number (38354820).

Almost surely, 2^340079138 is an apocalyptic number.

340079138 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

340079138 is a deficient number, since it is larger than the sum of its proper divisors (273597982).

340079138 is a wasteful number, since it uses less digits than its factorization.

340079138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278521.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 340079138 is about 18441.2347200506. The cubic root of 340079138 is about 698.0073520789.

The spelling of 340079138 in words is "three hundred forty million, seventy-nine thousand, one hundred thirty-eight".