1375874216 has 16 divisors (see below), whose sum is σ = 2615104500. Its totient is φ = 678513024.

The previous prime is 1375874207. The next prime is 1375874219. The reversal of 1375874216 is 6124785731.

It can be written as a sum of positive squares in 2 ways, for example, as 1375668100 + 206116 = 37090^2 + 454^2 .

It is a super-2 number, since 2×1375874216² = 3786059716507229312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1375874219) 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, 1177391 + ... + 1178558.

Almost surely, 2^1375874216 is an apocalyptic number.

It is an amenable number.

1375874216 is a deficient number, since it is larger than the sum of its proper divisors (1239230284).

1375874216 is a wasteful number, since it uses less digits than its factorization.

1375874216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2356028 (or 2356024 counting only the distinct ones).

The product of its digits is 282240, while the sum is 44.

The square root of 1375874216 is about 37092.7784885414. The cubic root of 1375874216 is about 1112.2256606882.

The spelling of 1375874216 in words is "one billion, three hundred seventy-five million, eight hundred seventy-four thousand, two hundred sixteen".