29138840152 has 16 divisors (see below), whose sum is σ = 54637302600. Its totient is φ = 14568892800.

The previous prime is 29138840131. The next prime is 29138840207. The reversal of 29138840152 is 25104883192.

It is a junction number, because it is equal to n+sod(n) for n = 29138840099 and 29138840108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269152 + ... + 361552.

Almost surely, 2^29138840152 is an apocalyptic number.

It is an amenable number.

29138840152 is a deficient number, since it is larger than the sum of its proper divisors (25498462448).

29138840152 is a wasteful number, since it uses less digits than its factorization.

29138840152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131826 (or 131822 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The spelling of 29138840152 in words is "twenty-nine billion, one hundred thirty-eight million, eight hundred forty thousand, one hundred fifty-two".