1387582434 has 64 divisors (see below), whose sum is σ = 3610010880. Its totient is φ = 386778240.

The previous prime is 1387582429. The next prime is 1387582447. The reversal of 1387582434 is 4342857831.

1387582434 is a `hidden beast` number, since 1 + 38 + 7 + 582 + 4 + 34 = 666.

1387582434 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1387582434² = 3850770022290728712, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1387582434.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29269 + ... + 60264.

It is an arithmetic number, because the mean of its divisors is an integer number (56406420).

Almost surely, 2^1387582434 is an apocalyptic number.

1387582434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1387582434 is an abundant number, since it is smaller than the sum of its proper divisors (2222428446).

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

1387582434 is a wasteful number, since it uses less digits than its factorization.

1387582434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89592 (or 89586 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 1387582434 is about 37250.2675695088. The cubic root of 1387582434 is about 1115.3716401427.

The spelling of 1387582434 in words is "one billion, three hundred eighty-seven million, five hundred eighty-two thousand, four hundred thirty-four".