140034238 has 16 divisors (see below), whose sum is σ = 211894560. Its totient is φ = 69405696.

The previous prime is 140034211. The next prime is 140034239. The reversal of 140034238 is 832430041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140034239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157431 + ... + 158317.

It is an arithmetic number, because the mean of its divisors is an integer number (13243410).

Almost surely, 2^140034238 is an apocalyptic number.

140034238 is a deficient number, since it is larger than the sum of its proper divisors (71860322).

140034238 is a wasteful number, since it uses less digits than its factorization.

140034238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 140034238 is about 11833.6062973212. The cubic root of 140034238 is about 519.2917354524.

Adding to 140034238 its reverse (832430041), we get a palindrome (972464279).

The spelling of 140034238 in words is "one hundred forty million, thirty-four thousand, two hundred thirty-eight".