138463011 has 12 divisors (see below), whose sum is σ = 211767192. Its totient is φ = 86878656.

The previous prime is 138463001. The next prime is 138463033. The reversal of 138463011 is 110364831.

138463011 is a `hidden beast` number, since 13 + 8 + 4 + 630 + 11 = 666.

It is not a de Polignac number, because 138463011 - 2⁵ = 138462979 is a prime.

It is a super-2 number, since 2×138463011² = 38344010830372242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (138463001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 452341 + ... + 452646.

It is an arithmetic number, because the mean of its divisors is an integer number (17647266).

Almost surely, 2^138463011 is an apocalyptic number.

138463011 is a deficient number, since it is larger than the sum of its proper divisors (73304181).

138463011 is a wasteful number, since it uses less digits than its factorization.

138463011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905010 (or 905007 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 138463011 is about 11767.0306789776. The cubic root of 138463011 is about 517.3422217318.

The spelling of 138463011 in words is "one hundred thirty-eight million, four hundred sixty-three thousand, eleven".