135245737 has 4 divisors (see below), whose sum is σ = 147540816. Its totient is φ = 122950660.

The previous prime is 135245701. The next prime is 135245791. The reversal of 135245737 is 737542531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 135245737 - 2¹⁵ = 135212969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135245696 and 135245705.

It is not an unprimeable number, because it can be changed into a prime (135245137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6147523 + ... + 6147544.

It is an arithmetic number, because the mean of its divisors is an integer number (36885204).

Almost surely, 2^135245737 is an apocalyptic number.

It is an amenable number.

135245737 is a deficient number, since it is larger than the sum of its proper divisors (12295079).

135245737 is a wasteful number, since it uses less digits than its factorization.

135245737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12295078.

The product of its digits is 88200, while the sum is 37.

The square root of 135245737 is about 11629.5200674834. The cubic root of 135245737 is about 513.3038578211.

It can be divided in two parts, 1352 and 45737, that added together give a square (47089 = 217²).

The spelling of 135245737 in words is "one hundred thirty-five million, two hundred forty-five thousand, seven hundred thirty-seven".