1347641994 has 32 divisors (see below), whose sum is σ = 2846338560. Its totient is φ = 424191600.

The previous prime is 1347641987. The next prime is 1347642001. The reversal of 1347641994 is 4991467431.

It is an interprime number because it is at equal distance from previous prime (1347641987) and next prime (1347642001).

It is a super-2 number, since 2×1347641994² = 3632277887984592072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16449 + ... + 54459.

It is an arithmetic number, because the mean of its divisors is an integer number (88948080).

Almost surely, 2^1347641994 is an apocalyptic number.

1347641994 is an abundant number, since it is smaller than the sum of its proper divisors (1498696566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1347641994 is a wasteful number, since it uses less digits than its factorization.

1347641994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38346.

The product of its digits is 653184, while the sum is 48.

The square root of 1347641994 is about 36710.2437202479. The cubic root of 1347641994 is about 1104.5655954402.

The spelling of 1347641994 in words is "one billion, three hundred forty-seven million, six hundred forty-one thousand, nine hundred ninety-four".