29139102 has 24 divisors (see below), whose sum is σ = 65474136. Its totient is φ = 9712872.

The previous prime is 29139083. The next prime is 29139109. The reversal of 29139102 is 20193192.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29139109) 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 11 ways as a sum of consecutive naturals, for example, 29493 + ... + 30464.

It is an arithmetic number, because the mean of its divisors is an integer number (2728089).

Almost surely, 2^29139102 is an apocalyptic number.

29139102 is an abundant number, since it is smaller than the sum of its proper divisors (36335034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29139102 is an equidigital number, since it uses as much as digits as its factorization.

29139102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59974 (or 59962 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 29139102 is about 5398.0646531882. The cubic root of 29139102 is about 307.7221238638.

It can be divided in two parts, 29139 and 102, that added together give a square (29241 = 171²).

The spelling of 29139102 in words is "twenty-nine million, one hundred thirty-nine thousand, one hundred two".