138074053 has 6 divisors (see below), whose sum is σ = 148740774. Its totient is φ = 127413864.

The previous prime is 138074029. The next prime is 138074059. The reversal of 138074053 is 350470831.

It can be written as a sum of positive squares in only one way, i.e., 95589729 + 42484324 = 9777^2 + 6518^2 .

It is not a de Polignac number, because 138074053 - 2¹³ = 138065861 is a prime.

It is a super-2 number, since 2×138074053² = 38128888223693618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138074059) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40738 + ... + 43996.

It is an arithmetic number, because the mean of its divisors is an integer number (24790129).

Almost surely, 2^138074053 is an apocalyptic number.

138074053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

138074053 is a deficient number, since it is larger than the sum of its proper divisors (10666721).

138074053 is an frugal number, since it uses more digits than its factorization.

138074053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6531 (or 3272 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 138074053 is about 11750.4916067371. The cubic root of 138074053 is about 516.8573434730.

The spelling of 138074053 in words is "one hundred thirty-eight million, seventy-four thousand, fifty-three".