140815051 has 16 divisors (see below), whose sum is σ = 158556160. Its totient is φ = 124169760.

The previous prime is 140815049. The next prime is 140815069. The reversal of 140815051 is 150518041.

It is a happy number.

It is not a de Polignac number, because 140815051 - 2¹ = 140815049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140815151) 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 15 ways as a sum of consecutive naturals, for example, 29626 + ... + 34048.

It is an arithmetic number, because the mean of its divisors is an integer number (9909760).

Almost surely, 2^140815051 is an apocalyptic number.

140815051 is a deficient number, since it is larger than the sum of its proper divisors (17741109).

140815051 is a wasteful number, since it uses less digits than its factorization.

140815051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4546.

The product of its (nonzero) digits is 800, while the sum is 25.

The square root of 140815051 is about 11866.5517737884. The cubic root of 140815051 is about 520.2551152031.

The spelling of 140815051 in words is "one hundred forty million, eight hundred fifteen thousand, fifty-one".