1405139614 has 16 divisors (see below), whose sum is σ = 2117375568. Its totient is φ = 699354432.

The previous prime is 1405139609. The next prime is 1405139627. The reversal of 1405139614 is 4169315041.

It is a self number, because there is not a number n which added to its sum of digits gives 1405139614.

It is a congruent number.

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, 879064 + ... + 880660.

It is an arithmetic number, because the mean of its divisors is an integer number (132335973).

Almost surely, 2^1405139614 is an apocalyptic number.

1405139614 is a deficient number, since it is larger than the sum of its proper divisors (712235954).

1405139614 is a wasteful number, since it uses less digits than its factorization.

1405139614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3339.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 1405139614 is about 37485.1919296140. The cubic root of 1405139614 is about 1120.0562296387.

The spelling of 1405139614 in words is "one billion, four hundred five million, one hundred thirty-nine thousand, six hundred fourteen".