1387265714 has 8 divisors (see below), whose sum is σ = 2081167020. Its totient is φ = 693543376.

The previous prime is 1387265707. The next prime is 1387265729. The reversal of 1387265714 is 4175627831.

It can be written as a sum of positive squares in 2 ways, for example, as 1346523025 + 40742689 = 36695^2 + 6383^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1387265714² = 3849012322479859592, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23309 + ... + 57600.

Almost surely, 2^1387265714 is an apocalyptic number.

1387265714 is a deficient number, since it is larger than the sum of its proper divisors (693901306).

1387265714 is an equidigital number, since it uses as much as digits as its factorization.

1387265714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89484.

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

The square root of 1387265714 is about 37246.0160822604. The cubic root of 1387265714 is about 1115.2867713382.

The spelling of 1387265714 in words is "one billion, three hundred eighty-seven million, two hundred sixty-five thousand, seven hundred fourteen".