1390227238758 has 16 divisors (see below), whose sum is σ = 2876332218480. Its totient is φ = 447429456096.

The previous prime is 1390227238747. The next prime is 1390227238759. The reversal of 1390227238758 is 8578327220931.

It is a junction number, because it is equal to n+sod(n) for n = 1390227238698 and 1390227238707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1390227238759) 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, 3994905685 + ... + 3994906032.

It is an arithmetic number, because the mean of its divisors is an integer number (179770763655).

Almost surely, 2^{1390227238758} is an apocalyptic number.

1390227238758 is an abundant number, since it is smaller than the sum of its proper divisors (1486104979722).

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

1390227238758 is a wasteful number, since it uses less digits than its factorization.

1390227238758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7989811751.

The product of its (nonzero) digits is 10160640, while the sum is 57.

The spelling of 1390227238758 in words is "one trillion, three hundred ninety billion, two hundred twenty-seven million, two hundred thirty-eight thousand, seven hundred fifty-eight".