1553634136 has 16 divisors (see below), whose sum is σ = 2934023400. Its totient is φ = 771227904.

The previous prime is 1553634127. The next prime is 1553634143. The reversal of 1553634136 is 6314363551.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1553634095 and 1553634104.

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, 697465 + ... + 699688.

Almost surely, 2^1553634136 is an apocalyptic number.

It is an amenable number.

1553634136 is a deficient number, since it is larger than the sum of its proper divisors (1380389264).

1553634136 is a wasteful number, since it uses less digits than its factorization.

1553634136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397298 (or 1397294 counting only the distinct ones).

The product of its digits is 97200, while the sum is 37.

The square root of 1553634136 is about 39416.1659221188. The cubic root of 1553634136 is about 1158.1982870538.

Adding to 1553634136 its reverse (6314363551), we get a palindrome (7867997687).

The spelling of 1553634136 in words is "one billion, five hundred fifty-three million, six hundred thirty-four thousand, one hundred thirty-six".