5139456101 has 4 divisors (see below), whose sum is σ = 5534798892. Its totient is φ = 4744113312.

The previous prime is 5139456071. The next prime is 5139456107. The reversal of 5139456101 is 1016549315.

It is a Cunningham number, because it is equal to 71690²+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1016549315 = 5 ⋅203309863.

It can be written as a sum of positive squares in 2 ways, for example, as 760325476 + 4379130625 = 27574^2 + 66175^2 .

It is a cyclic number.

It is not a de Polignac number, because 5139456101 - 2⁶ = 5139456037 is a prime.

It is a super-2 number, since 2×5139456101² = 52828018028212244402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5139456107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197671376 + ... + 197671401.

It is an arithmetic number, because the mean of its divisors is an integer number (1383699723).

Almost surely, 2^5139456101 is an apocalyptic number.

It is an amenable number.

5139456101 is a deficient number, since it is larger than the sum of its proper divisors (395342791).

5139456101 is a wasteful number, since it uses less digits than its factorization.

5139456101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395342790.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 5139456101 is about 71690.0000069745. Note that the first 5 decimals coincide. The cubic root of 5139456101 is about 1725.7281643026.

The spelling of 5139456101 in words is "five billion, one hundred thirty-nine million, four hundred fifty-six thousand, one hundred one".