1387593132 has 24 divisors (see below), whose sum is σ = 3245802672. Its totient is φ = 461376000.

The previous prime is 1387593121. The next prime is 1387593157. The reversal of 1387593132 is 2313957831.

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, 139369 + ... + 148992.

It is an arithmetic number, because the mean of its divisors is an integer number (135241778).

Almost surely, 2^1387593132 is an apocalyptic number.

1387593132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1387593132 is an abundant number, since it is smaller than the sum of its proper divisors (1858209540).

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

1387593132 is a wasteful number, since it uses less digits than its factorization.

1387593132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288769 (or 288767 counting only the distinct ones).

The product of its digits is 136080, while the sum is 42.

The square root of 1387593132 is about 37250.4111655160. The cubic root of 1387593132 is about 1115.3745065707.

The spelling of 1387593132 in words is "one billion, three hundred eighty-seven million, five hundred ninety-three thousand, one hundred thirty-two".