109429738 has 36 divisors (see below), whose sum is σ = 185618790. Its totient is φ = 48347200.

The previous prime is 109429729. The next prime is 109429739. The reversal of 109429738 is 837924901.

It can be written as a sum of positive squares in 3 ways, for example, as 12938409 + 96491329 = 3597^2 + 9823^2 .

It is a junction number, because it is equal to n+sod(n) for n = 109429694 and 109429703.

It is not an unprimeable number, because it can be changed into a prime (109429739) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 406668 + ... + 406936.

Almost surely, 2^109429738 is an apocalyptic number.

109429738 is a deficient number, since it is larger than the sum of its proper divisors (76189052).

109429738 is a wasteful number, since it uses less digits than its factorization.

109429738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 109429738 is about 10460.8669812784. The cubic root of 109429738 is about 478.3125614563.

The spelling of 109429738 in words is "one hundred nine million, four hundred twenty-nine thousand, seven hundred thirty-eight".