135276437 has 2 divisors, whose sum is σ = 135276438. Its totient is φ = 135276436.

The previous prime is 135276431. The next prime is 135276443. The reversal of 135276437 is 734672531.

It is a balanced prime because it is at equal distance from previous prime (135276431) and next prime (135276443).

It can be written as a sum of positive squares in only one way, i.e., 71132356 + 64144081 = 8434^2 + 8009^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135276437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135276437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135276431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67638218 + 67638219.

It is an arithmetic number, because the mean of its divisors is an integer number (67638219).

Almost surely, 2^135276437 is an apocalyptic number.

It is an amenable number.

135276437 is a deficient number, since it is larger than the sum of its proper divisors (1).

135276437 is an equidigital number, since it uses as much as digits as its factorization.

135276437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 38.

The square root of 135276437 is about 11630.8399094820. The cubic root of 135276437 is about 513.3426938849.

The spelling of 135276437 in words is "one hundred thirty-five million, two hundred seventy-six thousand, four hundred thirty-seven".