13138149948 has 48 divisors (see below), whose sum is σ = 38220075264. Its totient is φ = 3412506240.

The previous prime is 13138149923. The next prime is 13138149989. The reversal of 13138149948 is 84994183131.

It is a super-2 number, since 2×13138149948² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 13138149948.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7108465 + ... + 7110312.

It is an arithmetic number, because the mean of its divisors is an integer number (796251568).

Almost surely, 2^13138149948 is an apocalyptic number.

It is an amenable number.

13138149948 is an abundant number, since it is smaller than the sum of its proper divisors (25081925316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13138149948 is a wasteful number, since it uses less digits than its factorization.

13138149948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14218802 (or 14218800 counting only the distinct ones).

The product of its digits is 746496, while the sum is 51.

The spelling of 13138149948 in words is "thirteen billion, one hundred thirty-eight million, one hundred forty-nine thousand, nine hundred forty-eight".