1939382534 has 8 divisors (see below), whose sum is σ = 2945897760. Its totient is φ = 957416616.

The previous prime is 1939382513. The next prime is 1939382539. The reversal of 1939382534 is 4352839391.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1939382534² = 7522409226368522312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1939382539) 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, 6137129 + ... + 6137444.

It is an arithmetic number, because the mean of its divisors is an integer number (368237220).

Almost surely, 2^1939382534 is an apocalyptic number.

1939382534 is a deficient number, since it is larger than the sum of its proper divisors (1006515226).

1939382534 is a wasteful number, since it uses less digits than its factorization.

1939382534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12274654.

The product of its digits is 699840, while the sum is 47.

The square root of 1939382534 is about 44038.4211115703. The cubic root of 1939382534 is about 1247.0613709009.

The spelling of 1939382534 in words is "one billion, nine hundred thirty-nine million, three hundred eighty-two thousand, five hundred thirty-four".