140741630 has 8 divisors (see below), whose sum is σ = 253334952. Its totient is φ = 56296648.

The previous prime is 140741509. The next prime is 140741633. The reversal of 140741630 is 36147041.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 140741630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140741633) 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, 7037072 + ... + 7037091.

It is an arithmetic number, because the mean of its divisors is an integer number (31666869).

Almost surely, 2^140741630 is an apocalyptic number.

140741630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140741630 is a deficient number, since it is larger than the sum of its proper divisors (112593322).

140741630 is a wasteful number, since it uses less digits than its factorization.

140741630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14074170.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 140741630 is about 11863.4577590178. The cubic root of 140741630 is about 520.1646791045.

Adding to 140741630 its reverse (36147041), we get a palindrome (176888671).

The spelling of 140741630 in words is "one hundred forty million, seven hundred forty-one thousand, six hundred thirty".