138460629 has 8 divisors (see below), whose sum is σ = 186308320. Its totient is φ = 91460016.

The previous prime is 138460591. The next prime is 138460639. The reversal of 138460629 is 926064831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 138460629 - 2⁷ = 138460501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138460639) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 211387 + ... + 212040.

It is an arithmetic number, because the mean of its divisors is an integer number (23288540).

Almost surely, 2^138460629 is an apocalyptic number.

It is an amenable number.

138460629 is a deficient number, since it is larger than the sum of its proper divisors (47847691).

138460629 is a wasteful number, since it uses less digits than its factorization.

138460629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423539.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 138460629 is about 11766.9294635432. The cubic root of 138460629 is about 517.3392550762.

The spelling of 138460629 in words is "one hundred thirty-eight million, four hundred sixty thousand, six hundred twenty-nine".