1942507136 has 32 divisors (see below), whose sum is σ = 4038098400. Its totient is φ = 929023744.

The previous prime is 1942507117. The next prime is 1942507139. The reversal of 1942507136 is 6317052491.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 1942507136.

It is not an unprimeable number, because it can be changed into a prime (1942507139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326966 + ... + 332853.

It is an arithmetic number, because the mean of its divisors is an integer number (126190575).

Almost surely, 2^1942507136 is an apocalyptic number.

1942507136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1942507136 is an abundant number, since it is smaller than the sum of its proper divisors (2095591264).

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

1942507136 is an equidigital number, since it uses as much as digits as its factorization.

1942507136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659856 (or 659844 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 1942507136 is about 44073.8826971257. The cubic root of 1942507136 is about 1247.7307385349.

The spelling of 1942507136 in words is "one billion, nine hundred forty-two million, five hundred seven thousand, one hundred thirty-six".