105139694 has 16 divisors (see below), whose sum is σ = 172212480. Its totient is φ = 47744760.

The previous prime is 105139667. The next prime is 105139717. The reversal of 105139694 is 496931501.

It is a super-2 number, since 2×105139694² = 22108710508827272, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33317 + ... + 36335.

It is an arithmetic number, because the mean of its divisors is an integer number (10763280).

Almost surely, 2^105139694 is an apocalyptic number.

105139694 is a deficient number, since it is larger than the sum of its proper divisors (67072786).

105139694 is a wasteful number, since it uses less digits than its factorization.

105139694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4615.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 105139694 is about 10253.7648695491. The cubic root of 105139694 is about 471.9785223158.

The spelling of 105139694 in words is "one hundred five million, one hundred thirty-nine thousand, six hundred ninety-four".