140154307 has 12 divisors (see below), whose sum is σ = 149693200. Its totient is φ = 131193216.

The previous prime is 140154299. The next prime is 140154331. The reversal of 140154307 is 703451041.

It is not a de Polignac number, because 140154307 - 2³ = 140154299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140154347) 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 11 ways as a sum of consecutive naturals, for example, 56293 + ... + 58729.

Almost surely, 2^140154307 is an apocalyptic number.

140154307 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

140154307 is a deficient number, since it is larger than the sum of its proper divisors (9538893).

140154307 is a wasteful number, since it uses less digits than its factorization.

140154307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2670 (or 2653 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 140154307 is about 11838.6784313115. The cubic root of 140154307 is about 519.4401111362.

The spelling of 140154307 in words is "one hundred forty million, one hundred fifty-four thousand, three hundred seven".