1387849059 has 28 divisors (see below), whose sum is σ = 2105983656. Its totient is φ = 914045472.

The previous prime is 1387849051. The next prime is 1387849103. The reversal of 1387849059 is 9509487831.

1387849059 is a `hidden beast` number, since 1 + 38 + 78 + 490 + 59 = 666.

It is not a de Polignac number, because 1387849059 - 2³ = 1387849051 is a prime.

It is a super-2 number, since 2×1387849059² = 3852250021134370962, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1387848996 and 1387849014.

It is not an unprimeable number, because it can be changed into a prime (1387849051) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 49039 + ... + 71975.

It is an arithmetic number, because the mean of its divisors is an integer number (75213702).

Almost surely, 2^1387849059 is an apocalyptic number.

1387849059 is a deficient number, since it is larger than the sum of its proper divisors (718134597).

1387849059 is an frugal number, since it uses more digits than its factorization.

1387849059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23038 (or 23023 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The square root of 1387849059 is about 37253.8462309598. The cubic root of 1387849059 is about 1115.4430753984.

The spelling of 1387849059 in words is "one billion, three hundred eighty-seven million, eight hundred forty-nine thousand, fifty-nine".