1587398141 has 8 divisors (see below), whose sum is σ = 1815429504. Its totient is φ = 1359681840.

The previous prime is 1587398129. The next prime is 1587398167. The reversal of 1587398141 is 1418937851.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1587398141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1587398101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67865 + ... + 88206.

It is an arithmetic number, because the mean of its divisors is an integer number (226928688).

Almost surely, 2^1587398141 is an apocalyptic number.

It is an amenable number.

1587398141 is a deficient number, since it is larger than the sum of its proper divisors (228031363).

1587398141 is a wasteful number, since it uses less digits than its factorization.

1587398141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157531.

The product of its digits is 241920, while the sum is 47.

The square root of 1587398141 is about 39842.1653653513. The cubic root of 1587398141 is about 1166.5283265173.

The spelling of 1587398141 in words is "one billion, five hundred eighty-seven million, three hundred ninety-eight thousand, one hundred forty-one".