140798853 has 18 divisors (see below), whose sum is σ = 219220274. Its totient is φ = 86566464.

The previous prime is 140798831. The next prime is 140798881. The reversal of 140798853 is 358897041.

It can be written as a sum of positive squares in 3 ways, for example, as 91809 + 140707044 = 303^2 + 11862^2 .

It is not a de Polignac number, because 140798853 - 2⁸ = 140798597 is a prime.

It is a super-2 number, since 2×140798853² = 39648634012231218, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140798799 and 140798808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140798453) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 127801 + ... + 128897.

Almost surely, 2^140798853 is an apocalyptic number.

140798853 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

140798853 is a deficient number, since it is larger than the sum of its proper divisors (78421421).

140798853 is an equidigital number, since it uses as much as digits as its factorization.

140798853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2213 (or 1113 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 140798853 is about 11865.8692475520. The cubic root of 140798853 is about 520.2351660678.

It can be divided in two parts, 1407988 and 53, that added together give a palindrome (1408041).

The spelling of 140798853 in words is "one hundred forty million, seven hundred ninety-eight thousand, eight hundred fifty-three".