1341986940 has 240 divisors, whose sum is σ = 4840991232. Its totient is φ = 306110016.

The previous prime is 1341986939. The next prime is 1341986969. The reversal of 1341986940 is 496891431.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 79 ways as a sum of consecutive naturals, for example, 2755377 + ... + 2755863.

Almost surely, 2^1341986940 is an apocalyptic number.

1341986940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1341986940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2420495616).

1341986940 is an abundant number, since it is smaller than the sum of its proper divisors (3499004292).

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

1341986940 is an frugal number, since it uses more digits than its factorization.

1341986940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530 (or 504 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 1341986940 is about 36633.1399145637. The cubic root of 1341986940 is about 1103.0184150859.

The spelling of 1341986940 in words is "one billion, three hundred forty-one million, nine hundred eighty-six thousand, nine hundred forty".