140913830 has 16 divisors (see below), whose sum is σ = 257945040. Its totient is φ = 55409952.

The previous prime is 140913811. The next prime is 140913841. The reversal of 140913830 is 38319041.

It is a junction number, because it is equal to n+sod(n) for n = 140913793 and 140913802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118829 + ... + 120008.

It is an arithmetic number, because the mean of its divisors is an integer number (16121565).

Almost surely, 2^140913830 is an apocalyptic number.

140913830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140913830 is a deficient number, since it is larger than the sum of its proper divisors (117031210).

140913830 is a wasteful number, since it uses less digits than its factorization.

140913830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238903.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 140913830 is about 11870.7131209544. The cubic root of 140913830 is about 520.3767363601.

The spelling of 140913830 in words is "one hundred forty million, nine hundred thirteen thousand, eight hundred thirty".