29190155 has 8 divisors (see below), whose sum is σ = 35882784. Its totient is φ = 22782400.

The previous prime is 29190103. The next prime is 29190167. The reversal of 29190155 is 55109192.

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

It is not a de Polignac number, because 29190155 - 2¹⁶ = 29124619 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 70991 + ... + 71400.

It is an arithmetic number, because the mean of its divisors is an integer number (4485348).

Almost surely, 2^29190155 is an apocalyptic number.

29190155 is a deficient number, since it is larger than the sum of its proper divisors (6692629).

29190155 is a wasteful number, since it uses less digits than its factorization.

29190155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142437.

The product of its (nonzero) digits is 4050, while the sum is 32.

The square root of 29190155 is about 5402.7914081519. The cubic root of 29190155 is about 307.9017332830.

The spelling of 29190155 in words is "twenty-nine million, one hundred ninety thousand, one hundred fifty-five".