156225136 has 20 divisors (see below), whose sum is σ = 305518392. Its totient is φ = 77381696.

The previous prime is 156225127. The next prime is 156225143. The reversal of 156225136 is 631522651.

It is a junction number, because it is equal to n+sod(n) for n = 156225098 and 156225107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43915 + ... + 47338.

Almost surely, 2^156225136 is an apocalyptic number.

156225136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

156225136 is a deficient number, since it is larger than the sum of its proper divisors (149293256).

156225136 is a wasteful number, since it uses less digits than its factorization.

156225136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91368 (or 91362 counting only the distinct ones).

The product of its digits is 10800, while the sum is 31.

The square root of 156225136 is about 12499.0054004309. The cubic root of 156225136 is about 538.5801014649.

Adding to 156225136 its reverse (631522651), we get a palindrome (787747787).

The spelling of 156225136 in words is "one hundred fifty-six million, two hundred twenty-five thousand, one hundred thirty-six".