1929538136 has 16 divisors (see below), whose sum is σ = 3633825240. Its totient is φ = 960518080.

The previous prime is 1929538129. The next prime is 1929538181. The reversal of 1929538136 is 6318359291.

It is a congruent number.

It is an unprimeable number.

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, 529445 + ... + 533076.

Almost surely, 2^1929538136 is an apocalyptic number.

It is an amenable number.

1929538136 is a deficient number, since it is larger than the sum of its proper divisors (1704287104).

1929538136 is a wasteful number, since it uses less digits than its factorization.

1929538136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062754 (or 1062750 counting only the distinct ones).

The product of its digits is 349920, while the sum is 47.

The square root of 1929538136 is about 43926.5083520191. The cubic root of 1929538136 is about 1244.9477429505.

The spelling of 1929538136 in words is "one billion, nine hundred twenty-nine million, five hundred thirty-eight thousand, one hundred thirty-six".