109524072139 has 4 divisors (see below), whose sum is σ = 109525949080. Its totient is φ = 109522195200.

The previous prime is 109524072137. The next prime is 109524072167. The reversal of 109524072139 is 931270425901.

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 109524072139 - 2¹ = 109524072137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109524072095 and 109524072104.

It is not an unprimeable number, because it can be changed into a prime (109524072137) 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, 848037 + ... + 968614.

It is an arithmetic number, because the mean of its divisors is an integer number (27381487270).

Almost surely, 2^109524072139 is an apocalyptic number.

109524072139 is a deficient number, since it is larger than the sum of its proper divisors (1876941).

109524072139 is an equidigital number, since it uses as much as digits as its factorization.

109524072139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876940.

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 109524072139 in words is "one hundred nine billion, five hundred twenty-four million, seventy-two thousand, one hundred thirty-nine".