1351832139 has 24 divisors (see below), whose sum is σ = 2329690320. Its totient is φ = 772474752.

The previous prime is 1351832137. The next prime is 1351832147. The reversal of 1351832139 is 9312381531.

1351832139 is a `hidden beast` number, since 1 + 3 + 518 + 3 + 2 + 139 = 666.

It is not a de Polignac number, because 1351832139 - 2¹ = 1351832137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1351832137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 509574 + ... + 512219.

It is an arithmetic number, because the mean of its divisors is an integer number (97070430).

Almost surely, 2^1351832139 is an apocalyptic number.

1351832139 is a deficient number, since it is larger than the sum of its proper divisors (977858181).

1351832139 is a wasteful number, since it uses less digits than its factorization.

1351832139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021816 (or 1021803 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 1351832139 is about 36767.2699421646. The cubic root of 1351832139 is about 1105.7091982348.

The spelling of 1351832139 in words is "one billion, three hundred fifty-one million, eight hundred thirty-two thousand, one hundred thirty-nine".