138004350451422 has 32 divisors (see below), whose sum is σ = 339703016497152. Its totient is φ = 36396751767264.

The previous prime is 138004350451343. The next prime is 138004350451447. The reversal of 138004350451422 is 224154053400831.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126377609758 + ... + 126377610849.

It is an arithmetic number, because the mean of its divisors is an integer number (10615719265536).

Almost surely, 2^{138004350451422} is an apocalyptic number.

138004350451422 is an abundant number, since it is smaller than the sum of its proper divisors (201698666045730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138004350451422 is a wasteful number, since it uses less digits than its factorization.

138004350451422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252755220632.

The product of its (nonzero) digits is 460800, while the sum is 42.

The spelling of 138004350451422 in words is "one hundred thirty-eight trillion, four billion, three hundred fifty million, four hundred fifty-one thousand, four hundred twenty-two".