140250505 has 8 divisors (see below), whose sum is σ = 168378624. Its totient is φ = 112148400.

The previous prime is 140250503. The next prime is 140250511. The reversal of 140250505 is 505052041.

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

It is not a de Polignac number, because 140250505 - 2¹ = 140250503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140250503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8520 + ... + 18790.

It is an arithmetic number, because the mean of its divisors is an integer number (21047328).

Almost surely, 2^140250505 is an apocalyptic number.

It is an amenable number.

140250505 is a deficient number, since it is larger than the sum of its proper divisors (28128119).

140250505 is a wasteful number, since it uses less digits than its factorization.

140250505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13007.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 140250505 is about 11842.7406034245. The cubic root of 140250505 is about 519.5589270156.

The spelling of 140250505 in words is "one hundred forty million, two hundred fifty thousand, five hundred five".