1390092390 has 96 divisors (see below), whose sum is σ = 3817921536. Its totient is φ = 350360640.

The previous prime is 1390092367. The next prime is 1390092437. The reversal of 1390092390 is 932900931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 114177 + ... + 125763.

It is an arithmetic number, because the mean of its divisors is an integer number (39770016).

Almost surely, 2^1390092390 is an apocalyptic number.

1390092390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1390092390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1908960768).

1390092390 is an abundant number, since it is smaller than the sum of its proper divisors (2427829146).

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

1390092390 is a wasteful number, since it uses less digits than its factorization.

1390092390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11674 (or 11671 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 36.

The square root of 1390092390 is about 37283.9427904292. The cubic root of 1390092390 is about 1116.0437557516.

The spelling of 1390092390 in words is "one billion, three hundred ninety million, ninety-two thousand, three hundred ninety".