130920149 has 2 divisors, whose sum is σ = 130920150. Its totient is φ = 130920148.

The previous prime is 130920131. The next prime is 130920173. The reversal of 130920149 is 941029031.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126000625 + 4919524 = 11225^2 + 2218^2 .

It is an emirp because it is prime and its reverse (941029031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130920149 - 2²⁴ = 114142933 is a prime.

It is a Chen prime.

It is equal to p_7427423 and since 130920149 and 7427423 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130920649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65460074 + 65460075.

It is an arithmetic number, because the mean of its divisors is an integer number (65460075).

Almost surely, 2^130920149 is an apocalyptic number.

It is an amenable number.

130920149 is a deficient number, since it is larger than the sum of its proper divisors (1).

130920149 is an equidigital number, since it uses as much as digits as its factorization.

130920149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 130920149 is about 11442.0343033920. The cubic root of 130920149 is about 507.7720951060.

The spelling of 130920149 in words is "one hundred thirty million, nine hundred twenty thousand, one hundred forty-nine".