240140051 has 2 divisors, whose sum is σ = 240140052. Its totient is φ = 240140050.

The previous prime is 240140009. The next prime is 240140059. The reversal of 240140051 is 150041042.

240140051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240140051 - 2²² = 235945747 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (240140059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120070025 + 120070026.

It is an arithmetic number, because the mean of its divisors is an integer number (120070026).

Almost surely, 2^240140051 is an apocalyptic number.

240140051 is a deficient number, since it is larger than the sum of its proper divisors (1).

240140051 is an equidigital number, since it uses as much as digits as its factorization.

240140051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 240140051 is about 15496.4528521852. The cubic root of 240140051 is about 621.5673585240.

Adding to 240140051 its reverse (150041042), we get a palindrome (390181093).

Subtracting from 240140051 its reverse (150041042), we obtain a palindrome (90099009).

The spelling of 240140051 in words is "two hundred forty million, one hundred forty thousand, fifty-one".