134157139 has 2 divisors, whose sum is σ = 134157140. Its totient is φ = 134157138.

The previous prime is 134157109. The next prime is 134157143. The reversal of 134157139 is 931751431.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134157139 - 2⁷ = 134157011 is a prime.

It is a super-3 number, since 3×134157139³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (134157109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67078569 + 67078570.

It is an arithmetic number, because the mean of its divisors is an integer number (67078570).

Almost surely, 2^134157139 is an apocalyptic number.

134157139 is a deficient number, since it is larger than the sum of its proper divisors (1).

134157139 is an equidigital number, since it uses as much as digits as its factorization.

134157139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 34.

The square root of 134157139 is about 11582.6222851304. The cubic root of 134157139 is about 511.9229455066.

The spelling of 134157139 in words is "one hundred thirty-four million, one hundred fifty-seven thousand, one hundred thirty-nine".