1138348510 has 24 divisors (see below), whose sum is σ = 2218772520. Its totient is φ = 420312672.

The previous prime is 1138348483. The next prime is 1138348529. The reversal of 1138348510 is 158438311.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 335100 + ... + 338479.

It is an arithmetic number, because the mean of its divisors is an integer number (92448855).

Almost surely, 2^1138348510 is an apocalyptic number.

1138348510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1138348510 is a deficient number, since it is larger than the sum of its proper divisors (1080424010).

1138348510 is a wasteful number, since it uses less digits than its factorization.

1138348510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673612 (or 673599 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 1138348510 is about 33739.4207122766. The cubic root of 1138348510 is about 1044.1392330317.

The spelling of 1138348510 in words is "one billion, one hundred thirty-eight million, three hundred forty-eight thousand, five hundred ten".