140196369 has 4 divisors (see below), whose sum is σ = 186928496. Its totient is φ = 93464244.

The previous prime is 140196349. The next prime is 140196377. The reversal of 140196369 is 963691041.

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 not a de Polignac number, because 140196369 - 2⁵ = 140196337 is a prime.

It is a super-2 number, since 2×140196369² = 39310043761568322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140196349) 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, 23366059 + ... + 23366064.

It is an arithmetic number, because the mean of its divisors is an integer number (46732124).

Almost surely, 2^140196369 is an apocalyptic number.

It is an amenable number.

140196369 is a deficient number, since it is larger than the sum of its proper divisors (46732127).

140196369 is an equidigital number, since it uses as much as digits as its factorization.

140196369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46732126.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 140196369 is about 11840.4547632259. The cubic root of 140196369 is about 519.4920693554.

The spelling of 140196369 in words is "one hundred forty million, one hundred ninety-six thousand, three hundred sixty-nine".