140100051 has 32 divisors (see below), whose sum is σ = 231185920. Its totient is φ = 73488384.

The previous prime is 140100047. The next prime is 140100083. The reversal of 140100051 is 150001041.

It is a happy number.

It is not a de Polignac number, because 140100051 - 2² = 140100047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140100031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51360 + ... + 54018.

It is an arithmetic number, because the mean of its divisors is an integer number (7224560).

Almost surely, 2^140100051 is an apocalyptic number.

140100051 is a deficient number, since it is larger than the sum of its proper divisors (91085869).

140100051 is a wasteful number, since it uses less digits than its factorization.

140100051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2875.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 140100051 is about 11836.3867375141. The cubic root of 140100051 is about 519.3730745945.

Adding to 140100051 its reverse (150001041), we get a palindrome (290101092).

The spelling of 140100051 in words is "one hundred forty million, one hundred thousand, fifty-one".