140953813 has 16 divisors (see below), whose sum is σ = 189254016. Its totient is φ = 101384640.

The previous prime is 140953801. The next prime is 140953823. The reversal of 140953813 is 318359041.

It is not a de Polignac number, because 140953813 - 2⁵ = 140953781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140953823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69406 + ... + 71407.

It is an arithmetic number, because the mean of its divisors is an integer number (11828376).

Almost surely, 2^140953813 is an apocalyptic number.

140953813 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

140953813 is a deficient number, since it is larger than the sum of its proper divisors (48300203).

140953813 is a wasteful number, since it uses less digits than its factorization.

140953813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140844.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 140953813 is about 11872.3971042077. The cubic root of 140953813 is about 520.4259490728.

The spelling of 140953813 in words is "one hundred forty million, nine hundred fifty-three thousand, eight hundred thirteen".