1938152070 has 64 divisors (see below), whose sum is σ = 5346648000. Its totient is φ = 499016448.

The previous prime is 1938152059. The next prime is 1938152101. The reversal of 1938152070 is 702518391.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115935 + ... + 131594.

It is an arithmetic number, because the mean of its divisors is an integer number (83541375).

Almost surely, 2^1938152070 is an apocalyptic number.

1938152070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1938152070 is an abundant number, since it is smaller than the sum of its proper divisors (3408495930).

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

1938152070 is a wasteful number, since it uses less digits than its factorization.

1938152070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247574 (or 247568 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 1938152070 is about 44024.4485485054. The cubic root of 1938152070 is about 1246.7975775320.

The spelling of 1938152070 in words is "one billion, nine hundred thirty-eight million, one hundred fifty-two thousand, seventy".