1374651512 has 16 divisors (see below), whose sum is σ = 2775738840. Its totient is φ = 634454496.

The previous prime is 1374651503. The next prime is 1374651517. The reversal of 1374651512 is 2151564731.

It is a happy number.

It is a super-2 number, since 2×1374651512² = 3779333558887772288, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1374651517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6608798 + ... + 6609005.

Almost surely, 2^1374651512 is an apocalyptic number.

It is an amenable number.

1374651512 is an abundant number, since it is smaller than the sum of its proper divisors (1401087328).

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

1374651512 is a wasteful number, since it uses less digits than its factorization.

1374651512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13217822 (or 13217818 counting only the distinct ones).

The product of its digits is 25200, while the sum is 35.

The square root of 1374651512 is about 37076.2931264710. The cubic root of 1374651512 is about 1111.8960942714.

The spelling of 1374651512 in words is "one billion, three hundred seventy-four million, six hundred fifty-one thousand, five hundred twelve".