1097477136 has 120 divisors (see below), whose sum is σ = 3519060480. Its totient is φ = 312772608.

The previous prime is 1097477093. The next prime is 1097477137. The reversal of 1097477136 is 6317747901.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1097477091 and 1097477100.

It is not an unprimeable number, because it can be changed into a prime (1097477137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 481696 + ... + 483968.

It is an arithmetic number, because the mean of its divisors is an integer number (29325504).

Almost surely, 2^1097477136 is an apocalyptic number.

1097477136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1097477136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1759530240).

1097477136 is an abundant number, since it is smaller than the sum of its proper divisors (2421583344).

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

1097477136 is a wasteful number, since it uses less digits than its factorization.

1097477136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2773 (or 2764 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 45.

The square root of 1097477136 is about 33128.1924650289. The cubic root of 1097477136 is about 1031.4903288254.

The spelling of 1097477136 in words is "one billion, ninety-seven million, four hundred seventy-seven thousand, one hundred thirty-six".