140254915 has 8 divisors (see below), whose sum is σ = 168478128. Its totient is φ = 112089120.

The previous prime is 140254883. The next prime is 140254927. The reversal of 140254915 is 519452041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140254915 - 2⁵ = 140254883 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8781 + ... + 18910.

It is an arithmetic number, because the mean of its divisors is an integer number (21059766).

Almost surely, 2^140254915 is an apocalyptic number.

140254915 is a deficient number, since it is larger than the sum of its proper divisors (28223213).

140254915 is a wasteful number, since it uses less digits than its factorization.

140254915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28709.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 140254915 is about 11842.9267919717. The cubic root of 140254915 is about 519.5643725832.

The spelling of 140254915 in words is "one hundred forty million, two hundred fifty-four thousand, nine hundred fifteen".