109270139 has 12 divisors (see below), whose sum is σ = 123358032. Its totient is φ = 96647760.

The previous prime is 109270127. The next prime is 109270141. The reversal of 109270139 is 931072901.

It is a happy number.

It is not a de Polignac number, because 109270139 - 2¹² = 109266043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109270199) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7727 + ... + 16680.

It is an arithmetic number, because the mean of its divisors is an integer number (10279836).

Almost surely, 2^109270139 is an apocalyptic number.

109270139 is a deficient number, since it is larger than the sum of its proper divisors (14087893).

109270139 is a wasteful number, since it uses less digits than its factorization.

109270139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24466 (or 24455 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 109270139 is about 10453.2358148087. The cubic root of 109270139 is about 478.0799149195.

The spelling of 109270139 in words is "one hundred nine million, two hundred seventy thousand, one hundred thirty-nine".