140383807 has 4 divisors (see below), whose sum is σ = 148641696. Its totient is φ = 132125920.

The previous prime is 140383801. The next prime is 140383811. The reversal of 140383807 is 708383041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140383807 is a prime.

It is a super-2 number, since 2×140383807² = 39415226535626498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140383801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4128919 + ... + 4128952.

It is an arithmetic number, because the mean of its divisors is an integer number (37160424).

Almost surely, 2^140383807 is an apocalyptic number.

140383807 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

140383807 is a deficient number, since it is larger than the sum of its proper divisors (8257889).

140383807 is an equidigital number, since it uses as much as digits as its factorization.

140383807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8257888.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 140383807 is about 11848.3672714851. The cubic root of 140383807 is about 519.7234809408.

The spelling of 140383807 in words is "one hundred forty million, three hundred eighty-three thousand, eight hundred seven".