1387658130 has 16 divisors (see below), whose sum is σ = 3330379584. Its totient is φ = 370042160.

The previous prime is 1387658123. The next prime is 1387658257. The reversal of 1387658130 is 318567831.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23127606 + ... + 23127665.

It is an arithmetic number, because the mean of its divisors is an integer number (208148724).

Almost surely, 2^1387658130 is an apocalyptic number.

1387658130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1387658130 is an abundant number, since it is smaller than the sum of its proper divisors (1942721454).

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

1387658130 is a wasteful number, since it uses less digits than its factorization.

1387658130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46255281.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 1387658130 is about 37251.2836020452. The cubic root of 1387658130 is about 1115.3919218534.

The spelling of 1387658130 in words is "one billion, three hundred eighty-seven million, six hundred fifty-eight thousand, one hundred thirty".