135371057 has 2 divisors, whose sum is σ = 135371058. Its totient is φ = 135371056.

The previous prime is 135371039. The next prime is 135371087. The reversal of 135371057 is 750173531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134768881 + 602176 = 11609^2 + 776^2 .

It is a cyclic number.

It is not a de Polignac number, because 135371057 - 2⁶ = 135370993 is a prime.

It is not a weakly prime, because it can be changed into another prime (135371087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67685528 + 67685529.

It is an arithmetic number, because the mean of its divisors is an integer number (67685529).

Almost surely, 2^135371057 is an apocalyptic number.

It is an amenable number.

135371057 is a deficient number, since it is larger than the sum of its proper divisors (1).

135371057 is an equidigital number, since it uses as much as digits as its factorization.

135371057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11025, while the sum is 32.

The square root of 135371057 is about 11634.9068324590. The cubic root of 135371057 is about 513.4623529731.

The spelling of 135371057 in words is "one hundred thirty-five million, three hundred seventy-one thousand, fifty-seven".