1138924154 has 8 divisors (see below), whose sum is σ = 1708530528. Its totient is φ = 569413980.

The previous prime is 1138924151. The next prime is 1138924169. The reversal of 1138924154 is 4514298311.

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

It is not an unprimeable number, because it can be changed into a prime (1138924151) 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, 28619 + ... + 55649.

It is an arithmetic number, because the mean of its divisors is an integer number (213566316).

Almost surely, 2^1138924154 is an apocalyptic number.

1138924154 is a deficient number, since it is larger than the sum of its proper divisors (569606374).

1138924154 is a wasteful number, since it uses less digits than its factorization.

1138924154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48100.

The product of its digits is 34560, while the sum is 38.

The square root of 1138924154 is about 33747.9503673927. The cubic root of 1138924154 is about 1044.3152046823.

The spelling of 1138924154 in words is "one billion, one hundred thirty-eight million, nine hundred twenty-four thousand, one hundred fifty-four".