106939429 has 16 divisors (see below), whose sum is σ = 118702080. Its totient is φ = 95932080.

The previous prime is 106939423. The next prime is 106939477. The reversal of 106939429 is 924939601.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106939429 is a prime.

It is a super-2 number, since 2×106939429² = 22872082949692082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106939423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25752 + ... + 29614.

It is an arithmetic number, because the mean of its divisors is an integer number (7418880).

Almost surely, 2^106939429 is an apocalyptic number.

106939429 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

106939429 is a deficient number, since it is larger than the sum of its proper divisors (11762651).

106939429 is a wasteful number, since it uses less digits than its factorization.

106939429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3960.

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 106939429 is about 10341.1522085307. The cubic root of 106939429 is about 474.6563408987.

The spelling of 106939429 in words is "one hundred six million, nine hundred thirty-nine thousand, four hundred twenty-nine".