140435051 has 2 divisors, whose sum is σ = 140435052. Its totient is φ = 140435050.

The previous prime is 140435047. The next prime is 140435093. The reversal of 140435051 is 150534041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140435051 - 2² = 140435047 is a prime.

It is not a weakly prime, because it can be changed into another prime (140432051) by changing a digit.

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 as a sum of consecutive naturals, namely, 70217525 + 70217526.

It is an arithmetic number, because the mean of its divisors is an integer number (70217526).

Almost surely, 2^140435051 is an apocalyptic number.

140435051 is a deficient number, since it is larger than the sum of its proper divisors (1).

140435051 is an equidigital number, since it uses as much as digits as its factorization.

140435051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 140435051 is about 11850.5295662261. The cubic root of 140435051 is about 519.7867110971.

Adding to 140435051 its reverse (150534041), we get a palindrome (290969092).

The spelling of 140435051 in words is "one hundred forty million, four hundred thirty-five thousand, fifty-one".