140311353 has 64 divisors (see below), whose sum is σ = 249177600. Its totient is φ = 69543936.

The previous prime is 140311337. The next prime is 140311393. The reversal of 140311353 is 353113041.

It is not a de Polignac number, because 140311353 - 2⁴ = 140311337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (140311393) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 227101 + ... + 227717.

It is an arithmetic number, because the mean of its divisors is an integer number (3893400).

Almost surely, 2^140311353 is an apocalyptic number.

140311353 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

140311353 is a deficient number, since it is larger than the sum of its proper divisors (108866247).

140311353 is a wasteful number, since it uses less digits than its factorization.

140311353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671 (or 657 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 140311353 is about 11845.3093247918. The cubic root of 140311353 is about 519.6340534254.

Adding to 140311353 its reverse (353113041), we get a palindrome (493424394).

The spelling of 140311353 in words is "one hundred forty million, three hundred eleven thousand, three hundred fifty-three".