130905947402 has 8 divisors (see below), whose sum is σ = 196361763300. Its totient is φ = 65452026304.

The previous prime is 130905947377. The next prime is 130905947449. The reversal of 130905947402 is 204749509031.

It can be written as a sum of positive squares in 2 ways, for example, as 119633666161 + 11272281241 = 345881^2 + 106171^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286127 + ... + 586242.

Almost surely, 2^130905947402 is an apocalyptic number.

130905947402 is a deficient number, since it is larger than the sum of its proper divisors (65455815898).

130905947402 is an equidigital number, since it uses as much as digits as its factorization.

130905947402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947400.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 130905947402 in words is "one hundred thirty billion, nine hundred five million, nine hundred forty-seven thousand, four hundred two".