29138137 has 4 divisors (see below), whose sum is σ = 33300736. Its totient is φ = 24975540.

The previous prime is 29138113. The next prime is 29138141. The reversal of 29138137 is 73183192.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 29138137 - 2⁷ = 29138009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29138147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2081289 + ... + 2081302.

It is an arithmetic number, because the mean of its divisors is an integer number (8325184).

Almost surely, 2^29138137 is an apocalyptic number.

It is an amenable number.

29138137 is a deficient number, since it is larger than the sum of its proper divisors (4162599).

29138137 is an equidigital number, since it uses as much as digits as its factorization.

29138137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4162598.

The product of its digits is 9072, while the sum is 34.

The square root of 29138137 is about 5397.9752685614. The cubic root of 29138137 is about 307.7187268806.

The spelling of 29138137 in words is "twenty-nine million, one hundred thirty-eight thousand, one hundred thirty-seven".