1042397136 has 60 divisors (see below), whose sum is σ = 3182474880. Its totient is φ = 315877440.

The previous prime is 1042397131. The next prime is 1042397173. The reversal of 1042397136 is 6317932401.

1042397136 is a `hidden beast` number, since 10 + 423 + 97 + 136 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1042397136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042397131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 327456 + ... + 330623.

It is an arithmetic number, because the mean of its divisors is an integer number (53041248).

Almost surely, 2^1042397136 is an apocalyptic number.

1042397136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1042397136 is an abundant number, since it is smaller than the sum of its proper divisors (2140077744).

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

1042397136 is a wasteful number, since it uses less digits than its factorization.

1042397136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658104 (or 658095 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 1042397136 is about 32286.1756174373. The cubic root of 1042397136 is about 1013.9372298714.

The spelling of 1042397136 in words is "one billion, forty-two million, three hundred ninety-seven thousand, one hundred thirty-six".