1351513994 has 16 divisors (see below), whose sum is σ = 2164612032. Its totient is φ = 631343328.

The previous prime is 1351513993. The next prime is 1351513997. The reversal of 1351513994 is 4993151531.

It is not an unprimeable number, because it can be changed into a prime (1351513993) 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, 339659 + ... + 343614.

It is an arithmetic number, because the mean of its divisors is an integer number (135288252).

Almost surely, 2^1351513994 is an apocalyptic number.

1351513994 is a deficient number, since it is larger than the sum of its proper divisors (813098038).

1351513994 is a wasteful number, since it uses less digits than its factorization.

1351513994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683341.

The product of its digits is 72900, while the sum is 41.

The square root of 1351513994 is about 36762.9432173214. The cubic root of 1351513994 is about 1105.6224509130.

The spelling of 1351513994 in words is "one billion, three hundred fifty-one million, five hundred thirteen thousand, nine hundred ninety-four".