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130032157 is a prime number
BaseRepresentation
bin1111100000000…
…10001000011101
3100001200022120211
413300002020131
5231242012112
620523012421
73136153333
oct760021035
9301608524
10130032157
11674440a2
123766a111
1320c2a308
14133abb53
15b6380a7
hex7c0221d

130032157 has 2 divisors, whose sum is σ = 130032158. Its totient is φ = 130032156.

The previous prime is 130032131. The next prime is 130032209. The reversal of 130032157 is 751230031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77193796 + 52838361 = 8786^2 + 7269^2 .

It is an emirp because it is prime and its reverse (751230031) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-130032157 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130032107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65016078 + 65016079.

It is an arithmetic number, because the mean of its divisors is an integer number (65016079).

Almost surely, 2130032157 is an apocalyptic number.

It is an amenable number.

130032157 is a deficient number, since it is larger than the sum of its proper divisors (1).

130032157 is an equidigital number, since it uses as much as digits as its factorization.

130032157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 130032157 is about 11403.1643415326. The cubic root of 130032157 is about 506.6214679113.

Adding to 130032157 its reverse (751230031), we get a palindrome (881262188).

The spelling of 130032157 in words is "one hundred thirty million, thirty-two thousand, one hundred fifty-seven".