10129135947 has 32 divisors (see below), whose sum is σ = 15867866112. Its totient is φ = 5626018944.

The previous prime is 10129135931. The next prime is 10129135981. The reversal of 10129135947 is 74953192101.

It is not a de Polignac number, because 10129135947 - 2⁴ = 10129135931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10129135899 and 10129135908.

It is not an unprimeable number, because it can be changed into a prime (10129135997) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 843298 + ... + 855224.

It is an arithmetic number, because the mean of its divisors is an integer number (495870816).

Almost surely, 2^10129135947 is an apocalyptic number.

10129135947 is a deficient number, since it is larger than the sum of its proper divisors (5738730165).

10129135947 is a wasteful number, since it uses less digits than its factorization.

10129135947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13067.

The product of its (nonzero) digits is 68040, while the sum is 42.

The spelling of 10129135947 in words is "ten billion, one hundred twenty-nine million, one hundred thirty-five thousand, nine hundred forty-seven".