140029693 has 4 divisors (see below), whose sum is σ = 140203168. Its totient is φ = 139856220.

The previous prime is 140029649. The next prime is 140029711. The reversal of 140029693 is 396920041.

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.

It is a cyclic number.

It is not a de Polignac number, because 140029693 - 2¹³ = 140021501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140029613) 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, 85521 + ... + 87142.

It is an arithmetic number, because the mean of its divisors is an integer number (35050792).

Almost surely, 2^140029693 is an apocalyptic number.

It is an amenable number.

140029693 is a deficient number, since it is larger than the sum of its proper divisors (173475).

140029693 is an equidigital number, since it uses as much as digits as its factorization.

140029693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173474.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 140029693 is about 11833.4142579393. The cubic root of 140029693 is about 519.2861172871.

The spelling of 140029693 in words is "one hundred forty million, twenty-nine thousand, six hundred ninety-three".