140210929 has 4 divisors (see below), whose sum is σ = 140662080. Its totient is φ = 139759780.

The previous prime is 140210887. The next prime is 140210933. The reversal of 140210929 is 929012041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 929012041 = 16519 ⋅56239.

It is a cyclic number.

It is not a de Polignac number, because 140210929 - 2¹³ = 140202737 is a prime.

It is a super-2 number, since 2×140210929² = 39318209222086082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140210897 and 140210906.

It is not an unprimeable number, because it can be changed into a prime (140210989) 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, 225109 + ... + 225730.

It is an arithmetic number, because the mean of its divisors is an integer number (35165520).

Almost surely, 2^140210929 is an apocalyptic number.

It is an amenable number.

140210929 is a deficient number, since it is larger than the sum of its proper divisors (451151).

140210929 is an equidigital number, since it uses as much as digits as its factorization.

140210929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451150.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 140210929 is about 11841.0695885127. The cubic root of 140210929 is about 519.5100525665.

The spelling of 140210929 in words is "one hundred forty million, two hundred ten thousand, nine hundred twenty-nine".