140061015 has 16 divisors (see below), whose sum is σ = 248997600. Its totient is φ = 74699136.

The previous prime is 140061013. The next prime is 140061023. The reversal of 140061015 is 510160041.

140061015 is a `hidden beast` number, since 1 + 40 + 0 + 610 + 15 = 666.

It is not a de Polignac number, because 140061015 - 2¹ = 140061013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140061013) 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, 518610 + ... + 518879.

It is an arithmetic number, because the mean of its divisors is an integer number (15562350).

Almost surely, 2^140061015 is an apocalyptic number.

140061015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140061015 is a deficient number, since it is larger than the sum of its proper divisors (108936585).

140061015 is a wasteful number, since it uses less digits than its factorization.

140061015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037503 (or 1037497 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 140061015 is about 11834.7376396775. The cubic root of 140061015 is about 519.3248325692.

The spelling of 140061015 in words is "one hundred forty million, sixty-one thousand, fifteen".