1346026644 has 36 divisors (see below), whose sum is σ = 3427304244. Its totient is φ = 445398912.

The previous prime is 1346026621. The next prime is 1346026667. The reversal of 1346026644 is 4466206431.

1346026644 is a `hidden beast` number, since 1 + 3 + 4 + 6 + 0 + 2 + 6 + 644 = 666.

It is an interprime number because it is at equal distance from previous prime (1346026621) and next prime (1346026667).

It can be written as a sum of positive squares in 2 ways, for example, as 658538244 + 687488400 = 25662^2 + 26220^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1346026599 and 1346026608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131527 + ... + 141390.

Almost surely, 2^1346026644 is an apocalyptic number.

It is an amenable number.

1346026644 is an abundant number, since it is smaller than the sum of its proper divisors (2081277600).

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

1346026644 is a wasteful number, since it uses less digits than its factorization.

1346026644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273064 (or 273059 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The square root of 1346026644 is about 36688.2357711569. The cubic root of 1346026644 is about 1104.1240901002.

It can be divided in two parts, 134602 and 6644, that added together give a triangular number (141246 = T₅₃₁).

The spelling of 1346026644 in words is "one billion, three hundred forty-six million, twenty-six thousand, six hundred forty-four".