1942130437 has 4 divisors (see below), whose sum is σ = 2091525100. Its totient is φ = 1792735776.

The previous prime is 1942130431. The next prime is 1942130459. The reversal of 1942130437 is 7340312491.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7340312491 = 151 ⋅48611341.

It can be written as a sum of positive squares in 2 ways, for example, as 684293281 + 1257837156 = 26159^2 + 35466^2 .

It is not a de Polignac number, because 1942130437 - 2¹¹ = 1942128389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1942130431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74697312 + ... + 74697337.

It is an arithmetic number, because the mean of its divisors is an integer number (522881275).

Almost surely, 2^1942130437 is an apocalyptic number.

It is an amenable number.

1942130437 is a deficient number, since it is larger than the sum of its proper divisors (149394663).

1942130437 is a wasteful number, since it uses less digits than its factorization.

1942130437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149394662.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 1942130437 is about 44069.6089953156. The cubic root of 1942130437 is about 1247.6500782894.

The spelling of 1942130437 in words is "one billion, nine hundred forty-two million, one hundred thirty thousand, four hundred thirty-seven".