1642046136 has 32 divisors (see below), whose sum is σ = 4114492800. Its totient is φ = 546098400.

The previous prime is 1642046113. The next prime is 1642046137. The reversal of 1642046136 is 6316402461.

It is a junction number, because it is equal to n+sod(n) for n = 1642046097 and 1642046106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1642046137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67390 + ... + 88461.

It is an arithmetic number, because the mean of its divisors is an integer number (128577900).

Almost surely, 2^1642046136 is an apocalyptic number.

It is an amenable number.

1642046136 is an abundant number, since it is smaller than the sum of its proper divisors (2472446664).

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

1642046136 is a wasteful number, since it uses less digits than its factorization.

1642046136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156299 (or 156295 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 1642046136 is about 40522.1684513551. The cubic root of 1642046136 is about 1179.7639420551.

Adding to 1642046136 its reverse (6316402461), we get a palindrome (7958448597).

The spelling of 1642046136 in words is "one billion, six hundred forty-two million, forty-six thousand, one hundred thirty-six".