135763649 has 8 divisors (see below), whose sum is σ = 164285568. Its totient is φ = 109523520.

The previous prime is 135763643. The next prime is 135763651. The reversal of 135763649 is 946367531.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135763649 - 2⁸ = 135763393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135763643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 570317 + ... + 570554.

It is an arithmetic number, because the mean of its divisors is an integer number (20535696).

Almost surely, 2^135763649 is an apocalyptic number.

It is an amenable number.

135763649 is a deficient number, since it is larger than the sum of its proper divisors (28521919).

135763649 is a wasteful number, since it uses less digits than its factorization.

135763649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140895.

The product of its digits is 408240, while the sum is 44.

The square root of 135763649 is about 11651.7659176624. The cubic root of 135763649 is about 513.9582409917.

The spelling of 135763649 in words is "one hundred thirty-five million, seven hundred sixty-three thousand, six hundred forty-nine".