129554360357 has 2 divisors, whose sum is σ = 129554360358. Its totient is φ = 129554360356.

The previous prime is 129554360261. The next prime is 129554360387. The reversal of 129554360357 is 753063455921.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125090249761 + 4464110596 = 353681^2 + 66814^2 .

It is a cyclic number.

It is not a de Polignac number, because 129554360357 - 2²⁴ = 129537583141 is a prime.

It is a super-2 number, since 2×129554360357² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129554360387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64777180178 + 64777180179.

It is an arithmetic number, because the mean of its divisors is an integer number (64777180179).

Almost surely, 2^129554360357 is an apocalyptic number.

It is an amenable number.

129554360357 is a deficient number, since it is larger than the sum of its proper divisors (1).

129554360357 is an equidigital number, since it uses as much as digits as its factorization.

129554360357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402000, while the sum is 50.

The spelling of 129554360357 in words is "one hundred twenty-nine billion, five hundred fifty-four million, three hundred sixty thousand, three hundred fifty-seven".