1346905641 has 16 divisors (see below), whose sum is σ = 1840112384. Its totient is φ = 875874384.

The previous prime is 1346905613. The next prime is 1346905643. The reversal of 1346905641 is 1465096431.

It is not a de Polignac number, because 1346905641 - 2¹⁰ = 1346904617 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1346905641.

It is not an unprimeable number, because it can be changed into a prime (1346905643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94890 + ... + 108156.

It is an arithmetic number, because the mean of its divisors is an integer number (115007024).

Almost surely, 2^1346905641 is an apocalyptic number.

It is an amenable number.

1346905641 is a deficient number, since it is larger than the sum of its proper divisors (493206743).

1346905641 is a wasteful number, since it uses less digits than its factorization.

1346905641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14100.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 1346905641 is about 36700.2130920244. The cubic root of 1346905641 is about 1104.3643801875.

The spelling of 1346905641 in words is "one billion, three hundred forty-six million, nine hundred five thousand, six hundred forty-one".