1550136 has 32 divisors (see below), whose sum is σ = 4429440. Its totient is φ = 442848.

The previous prime is 1550119. The next prime is 1550141. The reversal of 1550136 is 6310551.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4446 + ... + 4781.

It is an arithmetic number, because the mean of its divisors is an integer number (138420).

2^1550136 is an apocalyptic number.

It is an amenable number.

1550136 is an abundant number, since it is smaller than the sum of its proper divisors (2879304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1550136 is a wasteful number, since it uses less digits than its factorization.

1550136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9243 (or 9239 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 1550136 is about 1245.0445775152. The cubic root of 1550136 is about 115.7328374027.

Adding to 1550136 its reverse (6310551), we get a palindrome (7860687).

The spelling of 1550136 in words is "one million, five hundred fifty thousand, one hundred thirty-six".