134142149 has 2 divisors, whose sum is σ = 134142150. Its totient is φ = 134142148.

The previous prime is 134142143. The next prime is 134142161. The reversal of 134142149 is 941241431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93412225 + 40729924 = 9665^2 + 6382^2 .

It is a cyclic number.

It is not a de Polignac number, because 134142149 - 2⁴ = 134142133 is a prime.

It is a super-2 number, since 2×134142149² = 35988232276676402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134142143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67071074 + 67071075.

It is an arithmetic number, because the mean of its divisors is an integer number (67071075).

Almost surely, 2^134142149 is an apocalyptic number.

It is an amenable number.

134142149 is a deficient number, since it is larger than the sum of its proper divisors (1).

134142149 is an equidigital number, since it uses as much as digits as its factorization.

134142149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 29.

The square root of 134142149 is about 11581.9751769722. The cubic root of 134142149 is about 511.9038782872.

The spelling of 134142149 in words is "one hundred thirty-four million, one hundred forty-two thousand, one hundred forty-nine".