140102423205 has 32 divisors (see below), whose sum is σ = 229249128960. Its totient is φ = 73044940800.

The previous prime is 140102423171. The next prime is 140102423239. The reversal of 140102423205 is 502324201041.

It is an interprime number because it is at equal distance from previous prime (140102423171) and next prime (140102423239).

It is not a de Polignac number, because 140102423205 - 2¹⁰ = 140102422181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 465612 + ... + 704981.

It is an arithmetic number, because the mean of its divisors is an integer number (7164035280).

Almost surely, 2^140102423205 is an apocalyptic number.

140102423205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140102423205 is a deficient number, since it is larger than the sum of its proper divisors (89146705755).

140102423205 is a wasteful number, since it uses less digits than its factorization.

140102423205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170781.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 140102423205 its reverse (502324201041), we get a palindrome (642426624246).

The spelling of 140102423205 in words is "one hundred forty billion, one hundred two million, four hundred twenty-three thousand, two hundred five".