129770654 has 16 divisors (see below), whose sum is σ = 209822928. Its totient is φ = 59838912.

The previous prime is 129770629. The next prime is 129770671. The reversal of 129770654 is 456077921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43994 + ... + 46850.

It is an arithmetic number, because the mean of its divisors is an integer number (13113933).

Almost surely, 2^129770654 is an apocalyptic number.

129770654 is a deficient number, since it is larger than the sum of its proper divisors (80052274).

129770654 is a wasteful number, since it uses less digits than its factorization.

129770654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4619.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 129770654 is about 11391.6923237946. The cubic root of 129770654 is about 506.2816239149.

The spelling of 129770654 in words is "one hundred twenty-nine million, seven hundred seventy thousand, six hundred fifty-four".