140722893 has 8 divisors (see below), whose sum is σ = 208478400. Its totient is φ = 93815244.

The previous prime is 140722891. The next prime is 140722909. The reversal of 140722893 is 398227041.

It is not a de Polignac number, because 140722893 - 2¹ = 140722891 is a prime.

It is a super-2 number, since 2×140722893² = 39605865228578898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140722891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2605953 + ... + 2606006.

It is an arithmetic number, because the mean of its divisors is an integer number (26059800).

Almost surely, 2^140722893 is an apocalyptic number.

It is an amenable number.

140722893 is a deficient number, since it is larger than the sum of its proper divisors (67755507).

140722893 is an equidigital number, since it uses as much as digits as its factorization.

140722893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5211968 (or 5211962 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 140722893 is about 11862.6680388520. The cubic root of 140722893 is about 520.1415948232.

The spelling of 140722893 in words is "one hundred forty million, seven hundred twenty-two thousand, eight hundred ninety-three".