1394072913 has 8 divisors (see below), whose sum is σ = 1968103008. Its totient is φ = 874712384.

The previous prime is 1394072903. The next prime is 1394072923. The reversal of 1394072913 is 3192704931.

It is an interprime number because it is at equal distance from previous prime (1394072903) and next prime (1394072923).

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 1394072913 - 2⁵ = 1394072881 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1394072903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13667331 + ... + 13667432.

It is an arithmetic number, because the mean of its divisors is an integer number (246012876).

Almost surely, 2^1394072913 is an apocalyptic number.

It is an amenable number.

1394072913 is a deficient number, since it is larger than the sum of its proper divisors (574030095).

1394072913 is a wasteful number, since it uses less digits than its factorization.

1394072913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27334783.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 1394072913 is about 37337.2858279763. The cubic root of 1394072913 is about 1117.1080025847.

The spelling of 1394072913 in words is "one billion, three hundred ninety-four million, seventy-two thousand, nine hundred thirteen".