1371356 has 48 divisors (see below), whose sum is σ = 3015936. Its totient is φ = 532224.

The previous prime is 1371353. The next prime is 1371389. The reversal of 1371356 is 6531731.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1371353) 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, 20435 + ... + 20501.

It is an arithmetic number, because the mean of its divisors is an integer number (62832).

2^1371356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1371356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1507968).

1371356 is an abundant number, since it is smaller than the sum of its proper divisors (1644580).

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

1371356 is a wasteful number, since it uses less digits than its factorization.

1371356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 136 counting only the distinct ones).

The product of its digits is 1890, while the sum is 26.

The square root of 1371356 is about 1171.0491023010. The cubic root of 1371356 is about 111.1006850958.

The spelling of 1371356 in words is "one million, three hundred seventy-one thousand, three hundred fifty-six".