4540139101 has 4 divisors (see below), whose sum is σ = 4540369792. Its totient is φ = 4539908412.

The previous prime is 4540139089. The next prime is 4540139147. The reversal of 4540139101 is 1019310454.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4540139101 - 2¹¹ = 4540137053 is a prime.

It is a super-2 number, since 2×4540139101² = 41225726112858176402, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4540139101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4540139701) 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, 82755 + ... + 126208.

It is an arithmetic number, because the mean of its divisors is an integer number (1135092448).

Almost surely, 2^4540139101 is an apocalyptic number.

It is an amenable number.

4540139101 is a deficient number, since it is larger than the sum of its proper divisors (230691).

4540139101 is a wasteful number, since it uses less digits than its factorization.

4540139101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230690.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 4540139101 is about 67380.5543239294. The cubic root of 4540139101 is about 1655.8578565410.

Adding to 4540139101 its reverse (1019310454), we get a palindrome (5559449555).

It can be divided in two parts, 454013910 and 1, that added together give a triangular number (454013911 = T₃₀₁₃₃).

The spelling of 4540139101 in words is "four billion, five hundred forty million, one hundred thirty-nine thousand, one hundred one".