140514628 has 12 divisors (see below), whose sum is σ = 254380140. Its totient is φ = 67834592.

The previous prime is 140514623. The next prime is 140514643. The reversal of 140514628 is 826415041.

It can be written as a sum of positive squares in 2 ways, for example, as 61340224 + 79174404 = 7832^2 + 8898^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 140514628.

It is not an unprimeable number, because it can be changed into a prime (140514623) 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, 605551 + ... + 605782.

It is an arithmetic number, because the mean of its divisors is an integer number (21198345).

Almost surely, 2^140514628 is an apocalyptic number.

It is an amenable number.

140514628 is a deficient number, since it is larger than the sum of its proper divisors (113865512).

140514628 is a wasteful number, since it uses less digits than its factorization.

140514628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211366 (or 1211364 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 140514628 is about 11853.8866200078. The cubic root of 140514628 is about 519.8848709618.

Adding to 140514628 its reverse (826415041), we get a palindrome (966929669).

The spelling of 140514628 in words is "one hundred forty million, five hundred fourteen thousand, six hundred twenty-eight".