140631010 has 16 divisors (see below), whose sum is σ = 272608056. Its totient is φ = 51925248.

The previous prime is 140630983. The next prime is 140631013. The reversal of 140631010 is 10136041.

140631010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 64016001 + 76615009 = 8001^2 + 8753^2 .

It is not an unprimeable number, because it can be changed into a prime (140631013) 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, 540759 + ... + 541018.

Almost surely, 2^140631010 is an apocalyptic number.

140631010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140631010 is a deficient number, since it is larger than the sum of its proper divisors (131977046).

140631010 is a wasteful number, since it uses less digits than its factorization.

140631010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081797.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 140631010 is about 11858.7946267738. The cubic root of 140631010 is about 520.0283638375.

Adding to 140631010 its reverse (10136041), we get a palindrome (150767051).

The spelling of 140631010 in words is "one hundred forty million, six hundred thirty-one thousand, ten".