140385417 has 4 divisors (see below), whose sum is σ = 187180560. Its totient is φ = 93590276.

The previous prime is 140385409. The next prime is 140385467. The reversal of 140385417 is 714583041.

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 140385417 - 2³ = 140385409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140385467) 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, 23397567 + ... + 23397572.

It is an arithmetic number, because the mean of its divisors is an integer number (46795140).

Almost surely, 2^140385417 is an apocalyptic number.

It is an amenable number.

140385417 is a deficient number, since it is larger than the sum of its proper divisors (46795143).

140385417 is an equidigital number, since it uses as much as digits as its factorization.

140385417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46795142.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 140385417 is about 11848.4352131410. The cubic root of 140385417 is about 519.7254677597.

The spelling of 140385417 in words is "one hundred forty million, three hundred eighty-five thousand, four hundred seventeen".