1387146156 has 48 divisors (see below), whose sum is σ = 3606059520. Its totient is φ = 411401920.

The previous prime is 1387146149. The next prime is 1387146239. The reversal of 1387146156 is 6516417831.

It is a super-3 number, since 3×1387146156³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105591 + ... + 117998.

It is an arithmetic number, because the mean of its divisors is an integer number (75126240).

Almost surely, 2^1387146156 is an apocalyptic number.

It is an amenable number.

1387146156 is an abundant number, since it is smaller than the sum of its proper divisors (2218913364).

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

1387146156 is a wasteful number, since it uses less digits than its factorization.

1387146156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223654 (or 223652 counting only the distinct ones).

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

The square root of 1387146156 is about 37244.4110706560. The cubic root of 1387146156 is about 1115.2547310244.

The spelling of 1387146156 in words is "one billion, three hundred eighty-seven million, one hundred forty-six thousand, one hundred fifty-six".