138170435 has 8 divisors (see below), whose sum is σ = 178558800. Its totient is φ = 102033504.

The previous prime is 138170423. The next prime is 138170449. The reversal of 138170435 is 534071831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 138170435 - 2⁴ = 138170419 is a prime.

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, 1062785 + ... + 1062914.

It is an arithmetic number, because the mean of its divisors is an integer number (22319850).

Almost surely, 2^138170435 is an apocalyptic number.

138170435 is a deficient number, since it is larger than the sum of its proper divisors (40388365).

138170435 is a wasteful number, since it uses less digits than its factorization.

138170435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2125717.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 138170435 is about 11754.5920813953. The cubic root of 138170435 is about 516.9775788507.

The spelling of 138170435 in words is "one hundred thirty-eight million, one hundred seventy thousand, four hundred thirty-five".