1351679992 has 16 divisors (see below), whose sum is σ = 2729354040. Its totient is φ = 623852256.

The previous prime is 1351679981. The next prime is 1351679993. The reversal of 1351679992 is 2999761531.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351679993) 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 3 ways as a sum of consecutive naturals, for example, 6498358 + ... + 6498565.

Almost surely, 2^1351679992 is an apocalyptic number.

It is an amenable number.

1351679992 is an abundant number, since it is smaller than the sum of its proper divisors (1377674048).

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

1351679992 is a wasteful number, since it uses less digits than its factorization.

1351679992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12996942 (or 12996938 counting only the distinct ones).

The product of its digits is 918540, while the sum is 52.

The square root of 1351679992 is about 36765.2008290448. The cubic root of 1351679992 is about 1105.6677146205.

The spelling of 1351679992 in words is "one billion, three hundred fifty-one million, six hundred seventy-nine thousand, nine hundred ninety-two".