1371357 has 16 divisors (see below), whose sum is σ = 2188480. Its totient is φ = 843696.

The previous prime is 1371353. The next prime is 1371389. The reversal of 1371357 is 7531731.

It is not a de Polignac number, because 1371357 - 2² = 1371353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 1371357.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1603 + ... + 2304.

It is an arithmetic number, because the mean of its divisors is an integer number (136780).

2^1371357 is an apocalyptic number.

It is an amenable number.

1371357 is a deficient number, since it is larger than the sum of its proper divisors (817123).

1371357 is a wasteful number, since it uses less digits than its factorization.

1371357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3929 (or 3923 counting only the distinct ones).

The product of its digits is 2205, while the sum is 27.

The square root of 1371357 is about 1171.0495292685. The cubic root of 1371357 is about 111.1007121008.

It can be divided in two parts, 1371 and 357, that added together give a cube (1728 = 12³).

The spelling of 1371357 in words is "one million, three hundred seventy-one thousand, three hundred fifty-seven".