130405734 has 16 divisors (see below), whose sum is σ = 289790640. Its totient is φ = 43468560.

The previous prime is 130405727. The next prime is 130405757. The reversal of 130405734 is 437504031.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 130405698 and 130405707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1207407 + ... + 1207514.

It is an arithmetic number, because the mean of its divisors is an integer number (18111915).

Almost surely, 2^130405734 is an apocalyptic number.

130405734 is an abundant number, since it is smaller than the sum of its proper divisors (159384906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130405734 is a wasteful number, since it uses less digits than its factorization.

130405734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2414932 (or 2414926 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 130405734 is about 11419.5330027108. The cubic root of 130405734 is about 507.1061715257.

Adding to 130405734 its reverse (437504031), we get a palindrome (567909765).

The spelling of 130405734 in words is "one hundred thirty million, four hundred five thousand, seven hundred thirty-four".