129313400134 has 4 divisors (see below), whose sum is σ = 193970100204. Its totient is φ = 64656700066.

The previous prime is 129313400131. The next prime is 129313400137. The reversal of 129313400134 is 431004313921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 431004313921 = 677 ⋅636638573.

It is an interprime number because it is at equal distance from previous prime (129313400131) and next prime (129313400137).

It is a junction number, because it is equal to n+sod(n) for n = 129313400096 and 129313400105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129313400131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32328350032 + ... + 32328350035.

It is an arithmetic number, because the mean of its divisors is an integer number (48492525051).

Almost surely, 2^129313400134 is an apocalyptic number.

129313400134 is a deficient number, since it is larger than the sum of its proper divisors (64656700070).

129313400134 is an equidigital number, since it uses as much as digits as its factorization.

129313400134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64656700069.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 129313400134 in words is "one hundred twenty-nine billion, three hundred thirteen million, four hundred thousand, one hundred thirty-four".