5138954156340 has 48 divisors (see below), whose sum is σ = 15987857376960. Its totient is φ = 1370387774880.

The previous prime is 5138954156339. The next prime is 5138954156377. The reversal of 5138954156340 is 436514598315.

5138954156340 is a `hidden beast` number, since 5 + 1 + 3 + 8 + 9 + 541 + 56 + 3 + 40 = 666.

It is a super-2 number, since 2×5138954156340² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 4758290346 + ... + 4758291425.

It is an arithmetic number, because the mean of its divisors is an integer number (333080362020).

Almost surely, 2^{5138954156340} is an apocalyptic number.

It is an amenable number.

5138954156340 is an abundant number, since it is smaller than the sum of its proper divisors (10848903220620).

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

5138954156340 is a wasteful number, since it uses less digits than its factorization.

5138954156340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9516581789 (or 9516581781 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 54.

The spelling of 5138954156340 in words is "five trillion, one hundred thirty-eight billion, nine hundred fifty-four million, one hundred fifty-six thousand, three hundred forty".