140853347 has 4 divisors (see below), whose sum is σ = 149138856. Its totient is φ = 132567840.

The previous prime is 140853343. The next prime is 140853359. The reversal of 140853347 is 743358041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 743358041 = 373 ⋅1992917.

It is a cyclic number.

It is not a de Polignac number, because 140853347 - 2² = 140853343 is a prime.

It is a super-2 number, since 2×140853347² = 39679330722204818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140853343) 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, 4142729 + ... + 4142762.

It is an arithmetic number, because the mean of its divisors is an integer number (37284714).

Almost surely, 2^140853347 is an apocalyptic number.

140853347 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

140853347 is a deficient number, since it is larger than the sum of its proper divisors (8285509).

140853347 is an equidigital number, since it uses as much as digits as its factorization.

140853347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8285508.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 140853347 is about 11868.1652752226. The cubic root of 140853347 is about 520.3022737132.

The spelling of 140853347 in words is "one hundred forty million, eight hundred fifty-three thousand, three hundred forty-seven".