1351869916 has 24 divisors (see below), whose sum is σ = 2453724000. Its totient is φ = 650927424.

The previous prime is 1351869907. The next prime is 1351869943. The reversal of 1351869916 is 6199681531.

It is a self number, because there is not a number n which added to its sum of digits gives 1351869916.

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, 30145 + ... + 60103.

It is an arithmetic number, because the mean of its divisors is an integer number (102238500).

Almost surely, 2^1351869916 is an apocalyptic number.

It is an amenable number.

1351869916 is a deficient number, since it is larger than the sum of its proper divisors (1101854084).

1351869916 is a wasteful number, since it uses less digits than its factorization.

1351869916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30381 (or 30379 counting only the distinct ones).

The product of its digits is 349920, while the sum is 49.

The square root of 1351869916 is about 36767.7836699467. The cubic root of 1351869916 is about 1105.7194978339.

The spelling of 1351869916 in words is "one billion, three hundred fifty-one million, eight hundred sixty-nine thousand, nine hundred sixteen".