234140402 has 8 divisors (see below), whose sum is σ = 352410156. Its totient is φ = 116670352.

The previous prime is 234140369. The next prime is 234140453. The reversal of 234140402 is 204041432.

It can be written as a sum of positive squares in 2 ways, for example, as 232288081 + 1852321 = 15241^2 + 1361^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199193 + ... + 200364.

Almost surely, 2^234140402 is an apocalyptic number.

234140402 is a deficient number, since it is larger than the sum of its proper divisors (118269754).

234140402 is a wasteful number, since it uses less digits than its factorization.

234140402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399852.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 234140402 is about 15301.6470355318. The cubic root of 234140402 is about 616.3472366920.

Adding to 234140402 its reverse (204041432), we get a palindrome (438181834).

The spelling of 234140402 in words is "two hundred thirty-four million, one hundred forty thousand, four hundred two".