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130871141 = 139941519
BaseRepresentation
bin1111100110011…
…10111101100101
3100010020221110022
413303032331211
5232000334031
620553004525
73146246342
oct763167545
9303227408
10130871141
1167967475
12379b3745
132116215b
14135497c9
15b75197b
hex7ccef65

130871141 has 4 divisors (see below), whose sum is σ = 131812800. Its totient is φ = 129929484.

The previous prime is 130871131. The next prime is 130871159. The reversal of 130871141 is 141178031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 130871141 - 218 = 130608997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130871141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130871131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470621 + ... + 470898.

It is an arithmetic number, because the mean of its divisors is an integer number (32953200).

Almost surely, 2130871141 is an apocalyptic number.

It is an amenable number.

130871141 is a deficient number, since it is larger than the sum of its proper divisors (941659).

130871141 is an equidigital number, since it uses as much as digits as its factorization.

130871141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941658.

The product of its (nonzero) digits is 672, while the sum is 26.

The square root of 130871141 is about 11439.8925257189. The cubic root of 130871141 is about 507.7087282350.

The spelling of 130871141 in words is "one hundred thirty million, eight hundred seventy-one thousand, one hundred forty-one".

Divisors: 1 139 941519 130871141