130277840 has 80 divisors (see below), whose sum is σ = 377654400. Its totient is φ = 40604160.

The previous prime is 130277801. The next prime is 130277863. The reversal of 130277840 is 48772031.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×130277840³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130277797 and 130277806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4415 + ... + 16734.

It is an arithmetic number, because the mean of its divisors is an integer number (4720680).

Almost surely, 2^130277840 is an apocalyptic number.

130277840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130277840 is an abundant number, since it is smaller than the sum of its proper divisors (247376560).

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

130277840 is a wasteful number, since it uses less digits than its factorization.

130277840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21180 (or 21174 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 130277840 is about 11413.9318378900. The cubic root of 130277840 is about 506.9403376867.

The spelling of 130277840 in words is "one hundred thirty million, two hundred seventy-seven thousand, eight hundred forty".