140512893 has 4 divisors (see below), whose sum is σ = 187350528. Its totient is φ = 93675260.

The previous prime is 140512891. The next prime is 140512903. The reversal of 140512893 is 398215041.

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 140512893 - 2¹ = 140512891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140512891) 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, 23418813 + ... + 23418818.

It is an arithmetic number, because the mean of its divisors is an integer number (46837632).

Almost surely, 2^140512893 is an apocalyptic number.

It is an amenable number.

140512893 is a deficient number, since it is larger than the sum of its proper divisors (46837635).

140512893 is an equidigital number, since it uses as much as digits as its factorization.

140512893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46837634.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 140512893 is about 11853.8134370337. The cubic root of 140512893 is about 519.8827311989.

The spelling of 140512893 in words is "one hundred forty million, five hundred twelve thousand, eight hundred ninety-three".