29139795 has 12 divisors (see below), whose sum is σ = 50509056. Its totient is φ = 15541200.

The previous prime is 29139793. The next prime is 29139811. The reversal of 29139795 is 59793192.

It is a happy number.

It is not a de Polignac number, because 29139795 - 2¹ = 29139793 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 647551 = 29139795 / (2 + 9 + 1 + 3 + 9 + 7 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 29139795.

It is not an unprimeable number, because it can be changed into a prime (29139793) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 323731 + ... + 323820.

It is an arithmetic number, because the mean of its divisors is an integer number (4209088).

Almost surely, 2^29139795 is an apocalyptic number.

29139795 is a deficient number, since it is larger than the sum of its proper divisors (21369261).

29139795 is a wasteful number, since it uses less digits than its factorization.

29139795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647562 (or 647559 counting only the distinct ones).

The product of its digits is 153090, while the sum is 45.

The square root of 29139795 is about 5398.1288424787. The cubic root of 29139795 is about 307.7245633092.

The spelling of 29139795 in words is "twenty-nine million, one hundred thirty-nine thousand, seven hundred ninety-five".