129260262453 has 16 divisors (see below), whose sum is σ = 205531846656. Its totient is φ = 70651571760.

The previous prime is 129260262449. The next prime is 129260262457. The reversal of 129260262453 is 354262062921.

It is an interprime number because it is at equal distance from previous prime (129260262449) and next prime (129260262457).

It is not a de Polignac number, because 129260262453 - 2² = 129260262449 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129260262457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133809313 + ... + 133810278.

It is an arithmetic number, because the mean of its divisors is an integer number (12845740416).

Almost surely, 2^129260262453 is an apocalyptic number.

It is an amenable number.

129260262453 is a deficient number, since it is larger than the sum of its proper divisors (76271584203).

129260262453 is a wasteful number, since it uses less digits than its factorization.

129260262453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267619624.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 129260262453 in words is "one hundred twenty-nine billion, two hundred sixty million, two hundred sixty-two thousand, four hundred fifty-three".