106139172043 has 4 divisors (see below), whose sum is σ = 106233184840. Its totient is φ = 106045159248.

The previous prime is 106139172023. The next prime is 106139172071. The reversal of 106139172043 is 340271931601.

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

It is a cyclic number.

It is not a de Polignac number, because 106139172043 - 2²¹ = 106137074891 is a prime.

It is a super-2 number, since 2×106139172043² (a number of 23 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 = 106139171993 and 106139172011.

It is not an unprimeable number, because it can be changed into a prime (106139172023) 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, 47004705 + ... + 47006962.

It is an arithmetic number, because the mean of its divisors is an integer number (26558296210).

Almost surely, 2^106139172043 is an apocalyptic number.

106139172043 is a deficient number, since it is larger than the sum of its proper divisors (94012797).

106139172043 is an equidigital number, since it uses as much as digits as its factorization.

106139172043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94012796.

The product of its (nonzero) digits is 27216, while the sum is 37.

The spelling of 106139172043 in words is "one hundred six billion, one hundred thirty-nine million, one hundred seventy-two thousand, forty-three".