138751250007 has 8 divisors (see below), whose sum is σ = 186243289200. Its totient is φ = 91880022080.

The previous prime is 138751250003. The next prime is 138751250009. The reversal of 138751250007 is 700052157831.

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

It is a cyclic number.

It is not a de Polignac number, because 138751250007 - 2² = 138751250003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138751250003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155202294 + ... + 155203187.

It is an arithmetic number, because the mean of its divisors is an integer number (23280411150).

Almost surely, 2^138751250007 is an apocalyptic number.

138751250007 is a deficient number, since it is larger than the sum of its proper divisors (47492039193).

138751250007 is a wasteful number, since it uses less digits than its factorization.

138751250007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310405633.

The product of its (nonzero) digits is 58800, while the sum is 39.

The spelling of 138751250007 in words is "one hundred thirty-eight billion, seven hundred fifty-one million, two hundred fifty thousand, seven".