234140087 has 4 divisors (see below), whose sum is σ = 234249720. Its totient is φ = 234030456.

The previous prime is 234140083. The next prime is 234140131. The reversal of 234140087 is 780041432.

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

It is a cyclic number.

It is not a de Polignac number, because 234140087 - 2² = 234140083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234140083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51548 + ... + 55905.

It is an arithmetic number, because the mean of its divisors is an integer number (58562430).

Almost surely, 2^234140087 is an apocalyptic number.

234140087 is a deficient number, since it is larger than the sum of its proper divisors (109633).

234140087 is a wasteful number, since it uses less digits than its factorization.

234140087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109632.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 234140087 is about 15301.6367425188. The cubic root of 234140087 is about 616.3469602917.

The spelling of 234140087 in words is "two hundred thirty-four million, one hundred forty thousand, eighty-seven".