1341761980 has 36 divisors (see below), whose sum is σ = 3051126792. Its totient is φ = 495418560.

The previous prime is 1341761947. The next prime is 1341761989. The reversal of 1341761980 is 891671431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1341761989) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 195106 + ... + 201865.

It is an arithmetic number, because the mean of its divisors is an integer number (84753522).

Almost surely, 2^1341761980 is an apocalyptic number.

1341761980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1341761980 is an abundant number, since it is smaller than the sum of its proper divisors (1709364812).

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

1341761980 is a wasteful number, since it uses less digits than its factorization.

1341761980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397006 (or 396991 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 1341761980 is about 36630.0693420037. The cubic root of 1341761980 is about 1102.9567779016.

The spelling of 1341761980 in words is "one billion, three hundred forty-one million, seven hundred sixty-one thousand, nine hundred eighty".