36138777143 has 4 divisors (see below), whose sum is σ = 41301459600. Its totient is φ = 30976094688.

The previous prime is 36138777139. The next prime is 36138777211. The reversal of 36138777143 is 34177783163.

36138777143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 36138777143 - 2² = 36138777139 is a prime.

It is a super-2 number, since 2×36138777143² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36138777091 and 36138777100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36138777643) 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, 2581341218 + ... + 2581341231.

It is an arithmetic number, because the mean of its divisors is an integer number (10325364900).

Almost surely, 2^36138777143 is an apocalyptic number.

36138777143 is a deficient number, since it is larger than the sum of its proper divisors (5162682457).

36138777143 is an equidigital number, since it uses as much as digits as its factorization.

36138777143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5162682456.

The product of its digits is 1778112, while the sum is 50.

The spelling of 36138777143 in words is "thirty-six billion, one hundred thirty-eight million, seven hundred seventy-seven thousand, one hundred forty-three".