140310506 has 16 divisors (see below), whose sum is σ = 241496640. Its totient is φ = 59892000.

The previous prime is 140310479. The next prime is 140310509. The reversal of 140310506 is 605013041.

It is not an unprimeable number, because it can be changed into a prime (140310509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16451 + ... + 23478.

It is an arithmetic number, because the mean of its divisors is an integer number (15093540).

Almost surely, 2^140310506 is an apocalyptic number.

140310506 is a deficient number, since it is larger than the sum of its proper divisors (101186134).

140310506 is a wasteful number, since it uses less digits than its factorization.

140310506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40189.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 140310506 is about 11845.2735721890. The cubic root of 140310506 is about 519.6330078199.

Adding to 140310506 its reverse (605013041), we get a palindrome (745323547).

The spelling of 140310506 in words is "one hundred forty million, three hundred ten thousand, five hundred six".