130778835 has 64 divisors (see below), whose sum is σ = 239016960. Its totient is φ = 60480000.

The previous prime is 130778827. The next prime is 130778887. The reversal of 130778835 is 538877031.

It is not a de Polignac number, because 130778835 - 2³ = 130778827 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 722445 + ... + 722625.

It is an arithmetic number, because the mean of its divisors is an integer number (3734640).

Almost surely, 2^130778835 is an apocalyptic number.

130778835 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

130778835 is a deficient number, since it is larger than the sum of its proper divisors (108238125).

130778835 is a wasteful number, since it uses less digits than its factorization.

130778835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 130778835 is about 11435.8574230357. The cubic root of 130778835 is about 507.5893344965.

It can be divided in two parts, 13077 and 8835, that added together give a palindrome (21912).

The spelling of 130778835 in words is "one hundred thirty million, seven hundred seventy-eight thousand, eight hundred thirty-five".