135424274837 has 2 divisors, whose sum is σ = 135424274838. Its totient is φ = 135424274836.

The previous prime is 135424274831. The next prime is 135424274861. The reversal of 135424274837 is 738472424531.

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., 72215275441 + 63208999396 = 268729^2 + 251414^2 .

It is a cyclic number.

It is not a de Polignac number, because 135424274837 - 2⁶ = 135424274773 is a prime.

It is a super-2 number, since 2×135424274837² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135424274831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67712137418 + 67712137419.

It is an arithmetic number, because the mean of its divisors is an integer number (67712137419).

Almost surely, 2^135424274837 is an apocalyptic number.

It is an amenable number.

135424274837 is a deficient number, since it is larger than the sum of its proper divisors (1).

135424274837 is an equidigital number, since it uses as much as digits as its factorization.

135424274837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4515840, while the sum is 50.

The spelling of 135424274837 in words is "one hundred thirty-five billion, four hundred twenty-four million, two hundred seventy-four thousand, eight hundred thirty-seven".