340001138 has 4 divisors (see below), whose sum is σ = 510001710. Its totient is φ = 170000568.

The previous prime is 340001131. The next prime is 340001141. The reversal of 340001138 is 831100043.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 297321049 + 42680089 = 17243^2 + 6533^2 .

It is not an unprimeable number, because it can be changed into a prime (340001131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85000283 + ... + 85000286.

Almost surely, 2^340001138 is an apocalyptic number.

340001138 is a deficient number, since it is larger than the sum of its proper divisors (170000572).

340001138 is a wasteful number, since it uses less digits than its factorization.

340001138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170000571.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 340001138 is about 18439.1197729176. The cubic root of 340001138 is about 697.9539833868.

The spelling of 340001138 in words is "three hundred forty million, one thousand, one hundred thirty-eight".