140837893 has 8 divisors (see below), whose sum is σ = 161029440. Its totient is φ = 120664320.

The previous prime is 140837869. The next prime is 140837941. The reversal of 140837893 is 398738041.

It is a happy number.

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

It is not a de Polignac number, because 140837893 - 2²¹ = 138740741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140837813) 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, 27678 + ... + 32368.

It is an arithmetic number, because the mean of its divisors is an integer number (20128680).

Almost surely, 2^140837893 is an apocalyptic number.

It is an amenable number.

140837893 is a deficient number, since it is larger than the sum of its proper divisors (20191547).

140837893 is an equidigital number, since it uses as much as digits as its factorization.

140837893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8987.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 140837893 is about 11867.5141878997. The cubic root of 140837893 is about 520.2832443572.

The spelling of 140837893 in words is "one hundred forty million, eight hundred thirty-seven thousand, eight hundred ninety-three".