153440536 has 16 divisors (see below), whose sum is σ = 287978400. Its totient is φ = 76646304.

The previous prime is 153440531. The next prime is 153440543. The reversal of 153440536 is 635044351.

It is a junction number, because it is equal to n+sod(n) for n = 153440498 and 153440507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153440531) 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, 130 + ... + 17518.

It is an arithmetic number, because the mean of its divisors is an integer number (17998650).

Almost surely, 2^153440536 is an apocalyptic number.

It is an amenable number.

153440536 is a deficient number, since it is larger than the sum of its proper divisors (134537864).

153440536 is a wasteful number, since it uses less digits than its factorization.

153440536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18498 (or 18494 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 153440536 is about 12387.1116891711. Note that the first 3 decimals coincide. The cubic root of 153440536 is about 535.3609652407.

Adding to 153440536 its reverse (635044351), we get a palindrome (788484887).

The spelling of 153440536 in words is "one hundred fifty-three million, four hundred forty thousand, five hundred thirty-six".