140026297 has 16 divisors (see below), whose sum is σ = 153964800. Its totient is φ = 126757120.

The previous prime is 140026247. The next prime is 140026303. The reversal of 140026297 is 792620041.

It is a cyclic number.

It is not a de Polignac number, because 140026297 - 2⁷ = 140026169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140026247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212154 + ... + 212812.

It is an arithmetic number, because the mean of its divisors is an integer number (9622800).

Almost surely, 2^140026297 is an apocalyptic number.

140026297 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

140026297 is a deficient number, since it is larger than the sum of its proper divisors (13938503).

140026297 is a wasteful number, since it uses less digits than its factorization.

140026297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 140026297 is about 11833.2707650928. The cubic root of 140026297 is about 519.2819193444.

The spelling of 140026297 in words is "one hundred forty million, twenty-six thousand, two hundred ninety-seven".