1942153738 has 32 divisors (see below), whose sum is σ = 3454894080. Its totient is φ = 801526320.

The previous prime is 1942153679. The next prime is 1942153739. The reversal of 1942153738 is 8373512491.

It is a super-2 number, since 2×1942153738² = 7543922284054745288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a junction number, because it is equal to n+sod(n) for n = 1942153694 and 1942153703.

It is not an unprimeable number, because it can be changed into a prime (1942153739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20023 + ... + 65461.

It is an arithmetic number, because the mean of its divisors is an integer number (107965440).

Almost surely, 2^1942153738 is an apocalyptic number.

1942153738 is a deficient number, since it is larger than the sum of its proper divisors (1512740342).

1942153738 is a wasteful number, since it uses less digits than its factorization.

1942153738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45562.

The product of its digits is 181440, while the sum is 43.

The square root of 1942153738 is about 44069.8733603808. The cubic root of 1942153738 is about 1247.6550678921.

The spelling of 1942153738 in words is "one billion, nine hundred forty-two million, one hundred fifty-three thousand, seven hundred thirty-eight".