1532137789 has 24 divisors (see below), whose sum is σ = 1990222080. Its totient is φ = 1148414112.

The previous prime is 1532137787. The next prime is 1532137799. The reversal of 1532137789 is 9877312351.

It is not a de Polignac number, because 1532137789 - 2¹ = 1532137787 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1532137787) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9532 + ... + 56170.

It is an arithmetic number, because the mean of its divisors is an integer number (82925920).

Almost surely, 2^1532137789 is an apocalyptic number.

1532137789 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1532137789 is a deficient number, since it is larger than the sum of its proper divisors (458084291).

1532137789 is a wasteful number, since it uses less digits than its factorization.

1532137789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46697 (or 46678 counting only the distinct ones).

The product of its digits is 317520, while the sum is 46.

The square root of 1532137789 is about 39142.5317142364. The cubic root of 1532137789 is about 1152.8317834281.

The spelling of 1532137789 in words is "one billion, five hundred thirty-two million, one hundred thirty-seven thousand, seven hundred eighty-nine".