129853037 has 2 divisors, whose sum is σ = 129853038. Its totient is φ = 129853036.

The previous prime is 129853007. The next prime is 129853063. The reversal of 129853037 is 730358921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126652516 + 3200521 = 11254^2 + 1789^2 .

It is a cyclic number.

It is not a de Polignac number, because 129853037 - 2²² = 125658733 is a prime.

It is a super-2 number, since 2×129853037² = 33723622436246738, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129853007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64926518 + 64926519.

It is an arithmetic number, because the mean of its divisors is an integer number (64926519).

Almost surely, 2^129853037 is an apocalyptic number.

It is an amenable number.

129853037 is a deficient number, since it is larger than the sum of its proper divisors (1).

129853037 is an equidigital number, since it uses as much as digits as its factorization.

129853037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 129853037 is about 11395.3076746528. The cubic root of 129853037 is about 506.3887364110.

The spelling of 129853037 in words is "one hundred twenty-nine million, eight hundred fifty-three thousand, thirty-seven".