135479537 has 2 divisors, whose sum is σ = 135479538. Its totient is φ = 135479536.

The previous prime is 135479483. The next prime is 135479543. The reversal of 135479537 is 735974531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119924401 + 15555136 = 10951^2 + 3944^2 .

It is an emirp because it is prime and its reverse (735974531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135479537 - 2¹⁰ = 135478513 is a prime.

It is not a weakly prime, because it can be changed into another prime (135479567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67739768 + 67739769.

It is an arithmetic number, because the mean of its divisors is an integer number (67739769).

Almost surely, 2^135479537 is an apocalyptic number.

It is an amenable number.

135479537 is a deficient number, since it is larger than the sum of its proper divisors (1).

135479537 is an equidigital number, since it uses as much as digits as its factorization.

135479537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 396900, while the sum is 44.

The square root of 135479537 is about 11639.5677325234. The cubic root of 135479537 is about 513.5994712152.

The spelling of 135479537 in words is "one hundred thirty-five million, four hundred seventy-nine thousand, five hundred thirty-seven".