1494379213 has 4 divisors (see below), whose sum is σ = 1494515680. Its totient is φ = 1494242748.

The previous prime is 1494379177. The next prime is 1494379217. The reversal of 1494379213 is 3129734941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1494379213 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1494379213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1494379217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50223 + ... + 74236.

It is an arithmetic number, because the mean of its divisors is an integer number (373628920).

Almost surely, 2^1494379213 is an apocalyptic number.

It is an amenable number.

1494379213 is a deficient number, since it is larger than the sum of its proper divisors (136467).

1494379213 is a wasteful number, since it uses less digits than its factorization.

1494379213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136466.

The product of its digits is 163296, while the sum is 43.

The square root of 1494379213 is about 38657.2013084238. The cubic root of 1494379213 is about 1143.2826317921.

The spelling of 1494379213 in words is "one billion, four hundred ninety-four million, three hundred seventy-nine thousand, two hundred thirteen".