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130937 = 1271031
BaseRepresentation
bin11111111101111001
320122121112
4133331321
513142222
62450105
71053512
oct377571
9218545
10130937
118a414
1263935
13477a1
1435a09
1528be2
hex1ff79

130937 has 4 divisors (see below), whose sum is σ = 132096. Its totient is φ = 129780.

The previous prime is 130927. The next prime is 130957. The reversal of 130937 is 739031.

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 130937 - 26 = 130873 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 130937.

It is not an unprimeable number, because it can be changed into a prime (130927) 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, 389 + ... + 642.

It is an arithmetic number, because the mean of its divisors is an integer number (33024).

2130937 is an apocalyptic number.

It is an amenable number.

130937 is a deficient number, since it is larger than the sum of its proper divisors (1159).

130937 is a wasteful number, since it uses less digits than its factorization.

130937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158.

The product of its (nonzero) digits is 567, while the sum is 23.

The square root of 130937 is about 361.8521797641. The cubic root of 130937 is about 50.7793879633.

Adding to 130937 its reverse (739031), we get a palindrome (869968).

The spelling of 130937 in words is "one hundred thirty thousand, nine hundred thirty-seven".

Divisors: 1 127 1031 130937