140893697 has 8 divisors (see below), whose sum is σ = 163425216. Its totient is φ = 118963152.

The previous prime is 140893691. The next prime is 140893703. The reversal of 140893697 is 796398041.

It is an interprime number because it is at equal distance from previous prime (140893691) and next prime (140893703).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140893697 - 2¹⁴ = 140877313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140893691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149738 + ... + 150675.

It is an arithmetic number, because the mean of its divisors is an integer number (20428152).

Almost surely, 2^140893697 is an apocalyptic number.

It is an amenable number.

140893697 is a deficient number, since it is larger than the sum of its proper divisors (22531519).

140893697 is an equidigital number, since it uses as much as digits as its factorization.

140893697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300487.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 140893697 is about 11869.8650792669. The cubic root of 140893697 is about 520.3519523157.

The spelling of 140893697 in words is "one hundred forty million, eight hundred ninety-three thousand, six hundred ninety-seven".