130155040 has 48 divisors (see below), whose sum is σ = 309173760. Its totient is φ = 51777280.

The previous prime is 130155031. The next prime is 130155101. The reversal of 130155040 is 40551031.

It is a junction number, because it is equal to n+sod(n) for n = 130154999 and 130155017.

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, 28431 + ... + 32689.

It is an arithmetic number, because the mean of its divisors is an integer number (6441120).

Almost surely, 2^130155040 is an apocalyptic number.

130155040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130155040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154586880).

130155040 is an abundant number, since it is smaller than the sum of its proper divisors (179018720).

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

130155040 is a wasteful number, since it uses less digits than its factorization.

130155040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4465 (or 4457 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 130155040 is about 11408.5511788307. The cubic root of 130155040 is about 506.7810068202.

The spelling of 130155040 in words is "one hundred thirty million, one hundred fifty-five thousand, forty".