134142457 has 2 divisors, whose sum is σ = 134142458. Its totient is φ = 134142456.

The previous prime is 134142439. The next prime is 134142467. The reversal of 134142457 is 754241431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132227001 + 1915456 = 11499^2 + 1384^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134142457 is a prime.

It is not a weakly prime, because it can be changed into another prime (134142467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67071228 + 67071229.

It is an arithmetic number, because the mean of its divisors is an integer number (67071229).

Almost surely, 2^134142457 is an apocalyptic number.

It is an amenable number.

134142457 is a deficient number, since it is larger than the sum of its proper divisors (1).

134142457 is an equidigital number, since it uses as much as digits as its factorization.

134142457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 31.

The square root of 134142457 is about 11581.9884734876. The cubic root of 134142457 is about 511.9042700763.

Adding to 134142457 its reverse (754241431), we get a palindrome (888383888).

The spelling of 134142457 in words is "one hundred thirty-four million, one hundred forty-two thousand, four hundred fifty-seven".