140138614 has 32 divisors (see below), whose sum is σ = 271123200. Its totient is φ = 52715040.

The previous prime is 140138567. The next prime is 140138627. The reversal of 140138614 is 416831041.

It is a super-2 number, since 2×140138614² = 39277662267681992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11224 + ... + 20155.

It is an arithmetic number, because the mean of its divisors is an integer number (8472600).

Almost surely, 2^140138614 is an apocalyptic number.

140138614 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

140138614 is a deficient number, since it is larger than the sum of its proper divisors (130984586).

140138614 is a wasteful number, since it uses less digits than its factorization.

140138614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31428.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 140138614 is about 11838.0156276295. The cubic root of 140138614 is about 519.4207232722.

Adding to 140138614 its reverse (416831041), we get a palindrome (556969655).

The spelling of 140138614 in words is "one hundred forty million, one hundred thirty-eight thousand, six hundred fourteen".