129154364 has 6 divisors (see below), whose sum is σ = 226020144. Its totient is φ = 64577180.

The previous prime is 129154351. The next prime is 129154369. The reversal of 129154364 is 463451921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129154369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16144292 + ... + 16144299.

It is an arithmetic number, because the mean of its divisors is an integer number (37670024).

Almost surely, 2^129154364 is an apocalyptic number.

It is an amenable number.

129154364 is a deficient number, since it is larger than the sum of its proper divisors (96865780).

129154364 is a wasteful number, since it uses less digits than its factorization.

129154364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32288595 (or 32288593 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 129154364 is about 11364.6101560942. The cubic root of 129154364 is about 505.4788961054.

It can be divided in two parts, 1291 and 54364, that added together give a palindrome (55655).

The spelling of 129154364 in words is "one hundred twenty-nine million, one hundred fifty-four thousand, three hundred sixty-four".