140593437 has 12 divisors (see below), whose sum is σ = 203196604. Its totient is φ = 93674880.

The previous prime is 140593433. The next prime is 140593441. The reversal of 140593437 is 734395041.

It is an interprime number because it is at equal distance from previous prime (140593433) and next prime (140593441).

It can be written as a sum of positive squares in 2 ways, for example, as 40373316 + 100220121 = 6354^2 + 10011^2 .

It is not a de Polignac number, because 140593437 - 2² = 140593433 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 (140593433) 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 11 ways as a sum of consecutive naturals, for example, 17733 + ... + 24405.

Almost surely, 2^140593437 is an apocalyptic number.

It is an amenable number.

140593437 is a deficient number, since it is larger than the sum of its proper divisors (62603167).

140593437 is a wasteful number, since it uses less digits than its factorization.

140593437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9020 (or 9017 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 140593437 is about 11857.2103380180. The cubic root of 140593437 is about 519.9820469640.

The spelling of 140593437 in words is "one hundred forty million, five hundred ninety-three thousand, four hundred thirty-seven".