1339419540 has 48 divisors (see below), whose sum is σ = 3754779840. Its totient is φ = 356759040.

The previous prime is 1339419503. The next prime is 1339419541. The reversal of 1339419540 is 459149331.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1339419541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40191 + ... + 65529.

It is an arithmetic number, because the mean of its divisors is an integer number (78224580).

Almost surely, 2^1339419540 is an apocalyptic number.

1339419540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1339419540 is an abundant number, since it is smaller than the sum of its proper divisors (2415360300).

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

1339419540 is a wasteful number, since it uses less digits than its factorization.

1339419540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26232 (or 26230 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 1339419540 is about 36598.0810972379. The cubic root of 1339419540 is about 1102.3145589247.

The spelling of 1339419540 in words is "one billion, three hundred thirty-nine million, four hundred nineteen thousand, five hundred forty".