1346776740 has 48 divisors (see below), whose sum is σ = 4189973760. Its totient is φ = 359140320.

The previous prime is 1346776667. The next prime is 1346776759. The reversal of 1346776740 is 476776431.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1246476 + ... + 1247555.

It is an arithmetic number, because the mean of its divisors is an integer number (87291120).

Almost surely, 2^1346776740 is an apocalyptic number.

1346776740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1346776740 is an abundant number, since it is smaller than the sum of its proper divisors (2843197020).

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

1346776740 is a wasteful number, since it uses less digits than its factorization.

1346776740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2494049 (or 2494041 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 45.

The square root of 1346776740 is about 36698.4569157887. The cubic root of 1346776740 is about 1104.3291492576.

The spelling of 1346776740 in words is "one billion, three hundred forty-six million, seven hundred seventy-six thousand, seven hundred forty".