29139801 has 8 divisors (see below), whose sum is σ = 38883744. Its totient is φ = 19411200.

The previous prime is 29139793. The next prime is 29139811. The reversal of 29139801 is 10893192.

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

It is not a de Polignac number, because 29139801 - 2³ = 29139793 is a prime.

It is a super-3 number, since 3×29139801³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (29139811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1770 + ... + 7836.

It is an arithmetic number, because the mean of its divisors is an integer number (4860468).

Almost surely, 2^29139801 is an apocalyptic number.

It is an amenable number.

29139801 is a deficient number, since it is larger than the sum of its proper divisors (9743943).

29139801 is a wasteful number, since it uses less digits than its factorization.

29139801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7671.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 29139801 is about 5398.1293982268. The cubic root of 29139801 is about 307.7245844298.

The spelling of 29139801 in words is "twenty-nine million, one hundred thirty-nine thousand, eight hundred one".