140632629 has 16 divisors (see below), whose sum is σ = 194857920. Its totient is φ = 90110720.

The previous prime is 140632589. The next prime is 140632643. The reversal of 140632629 is 926236041.

It is a cyclic number.

It is not a de Polignac number, because 140632629 - 2¹³ = 140624437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140632629.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140630629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16189 + ... + 23309.

It is an arithmetic number, because the mean of its divisors is an integer number (12178620).

Almost surely, 2^140632629 is an apocalyptic number.

It is an amenable number.

140632629 is a deficient number, since it is larger than the sum of its proper divisors (54225291).

140632629 is a wasteful number, since it uses less digits than its factorization.

140632629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7380.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 140632629 is about 11858.8628881525. The cubic root of 140632629 is about 520.0303594208.

The spelling of 140632629 in words is "one hundred forty million, six hundred thirty-two thousand, six hundred twenty-nine".