135046437 has 4 divisors (see below), whose sum is σ = 180061920. Its totient is φ = 90030956.

The previous prime is 135046427. The next prime is 135046441. The reversal of 135046437 is 734640531.

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, and also an emirpimes, since its reverse is a distinct semiprime: 734640531 = 3 ⋅244880177.

It is a cyclic number.

It is not a de Polignac number, because 135046437 - 2⁴ = 135046421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135046398 and 135046407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135046427) 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, 22507737 + ... + 22507742.

It is an arithmetic number, because the mean of its divisors is an integer number (45015480).

Almost surely, 2^135046437 is an apocalyptic number.

It is an amenable number.

135046437 is a deficient number, since it is larger than the sum of its proper divisors (45015483).

135046437 is an equidigital number, since it uses as much as digits as its factorization.

135046437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45015482.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 135046437 is about 11620.9481971137. The cubic root of 135046437 is about 513.0515966327.

Adding to 135046437 its reverse (734640531), we get a palindrome (869686968).

The spelling of 135046437 in words is "one hundred thirty-five million, forty-six thousand, four hundred thirty-seven".