29139037 has 8 divisors (see below), whose sum is σ = 31314816. Its totient is φ = 27014592.

The previous prime is 29139031. The next prime is 29139049. The reversal of 29139037 is 73093192.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29139037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29138993 and 29139011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29139031) 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, 11653 + ... + 13930.

It is an arithmetic number, because the mean of its divisors is an integer number (3914352).

Almost surely, 2^29139037 is an apocalyptic number.

It is an amenable number.

29139037 is a deficient number, since it is larger than the sum of its proper divisors (2175779).

29139037 is a wasteful number, since it uses less digits than its factorization.

29139037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25667.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 29139037 is about 5398.0586325085. The cubic root of 29139037 is about 307.7218950539.

The spelling of 29139037 in words is "twenty-nine million, one hundred thirty-nine thousand, thirty-seven".