138006278017070 has 8 divisors (see below), whose sum is σ = 248411300430744. Its totient is φ = 55202511206824.

The previous prime is 138006278017039. The next prime is 138006278017199. The reversal of 138006278017070 is 70710872600831.

It is a happy number.

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

It is a super-2 number, since 2×138006278017070² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6900313900844 + ... + 6900313900863.

It is an arithmetic number, because the mean of its divisors is an integer number (31051412553843).

Almost surely, 2^{138006278017070} is an apocalyptic number.

138006278017070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138006278017070 is a deficient number, since it is larger than the sum of its proper divisors (110405022413674).

138006278017070 is a wasteful number, since it uses less digits than its factorization.

138006278017070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13800627801714.

The product of its (nonzero) digits is 790272, while the sum is 50.

The spelling of 138006278017070 in words is "one hundred thirty-eight trillion, six billion, two hundred seventy-eight million, seventeen thousand, seventy".