28139195354 has 16 divisors (see below), whose sum is σ = 42344013600. Its totient is φ = 14024550864.

The previous prime is 28139195353. The next prime is 28139195363. The reversal of 28139195354 is 45359193182.

It is not an unprimeable number, because it can be changed into a prime (28139195353) 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, 3590312 + ... + 3598140.

It is an arithmetic number, because the mean of its divisors is an integer number (2646500850).

Almost surely, 2^28139195354 is an apocalyptic number.

28139195354 is a deficient number, since it is larger than the sum of its proper divisors (14204818246).

28139195354 is a wasteful number, since it uses less digits than its factorization.

28139195354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13357.

The product of its digits is 1166400, while the sum is 50.

The spelling of 28139195354 in words is "twenty-eight billion, one hundred thirty-nine million, one hundred ninety-five thousand, three hundred fifty-four".