1374155 has 4 divisors (see below), whose sum is σ = 1648992. Its totient is φ = 1099320.

The previous prime is 1374133. The next prime is 1374157. The reversal of 1374155 is 5514731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5514731 = 19 ⋅290249.

It is not a de Polignac number, because 1374155 - 2¹² = 1370059 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (1374157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137411 + ... + 137420.

It is an arithmetic number, because the mean of its divisors is an integer number (412248).

2^1374155 is an apocalyptic number.

1374155 is a deficient number, since it is larger than the sum of its proper divisors (274837).

1374155 is an equidigital number, since it uses as much as digits as its factorization.

1374155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274836.

The product of its digits is 2100, while the sum is 26.

The square root of 1374155 is about 1172.2435753716. The cubic root of 1374155 is about 111.1762209130.

Adding to 1374155 its reverse (5514731), we get a palindrome (6888886).

The spelling of 1374155 in words is "one million, three hundred seventy-four thousand, one hundred fifty-five".