140253717 has 8 divisors (see below), whose sum is σ = 192059296. Its totient is φ = 90975312.

The previous prime is 140253691. The next prime is 140253727. The reversal of 140253717 is 717352041.

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

It is not a de Polignac number, because 140253717 - 2⁶ = 140253653 is a prime.

It is a super-2 number, since 2×140253717² = 39342210264632178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140253727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631663 + ... + 631884.

It is an arithmetic number, because the mean of its divisors is an integer number (24007412).

Almost surely, 2^140253717 is an apocalyptic number.

It is an amenable number.

140253717 is a deficient number, since it is larger than the sum of its proper divisors (51805579).

140253717 is a wasteful number, since it uses less digits than its factorization.

140253717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263587.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 140253717 is about 11842.8762131502. The cubic root of 140253717 is about 519.5628932771.

The spelling of 140253717 in words is "one hundred forty million, two hundred fifty-three thousand, seven hundred seventeen".