13146392985 has 16 divisors (see below), whose sum is σ = 22946431680. Its totient is φ = 6374008640.

The previous prime is 13146392981. The next prime is 13146393031. The reversal of 13146392985 is 58929364131.

It is not a de Polignac number, because 13146392985 - 2² = 13146392981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13146392981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39837390 + ... + 39837719.

It is an arithmetic number, because the mean of its divisors is an integer number (1434151980).

Almost surely, 2^13146392985 is an apocalyptic number.

13146392985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13146392985 is a deficient number, since it is larger than the sum of its proper divisors (9800038695).

13146392985 is a wasteful number, since it uses less digits than its factorization.

13146392985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79675128.

The product of its digits is 1399680, while the sum is 51.

The spelling of 13146392985 in words is "thirteen billion, one hundred forty-six million, three hundred ninety-two thousand, nine hundred eighty-five".