1374145734 has 64 divisors (see below), whose sum is σ = 3193089984. Its totient is φ = 390414336.

The previous prime is 1374145727. The next prime is 1374145739. The reversal of 1374145734 is 4375414731.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 1374145692 and 1374145701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1374145739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60502 + ... + 80054.

It is an arithmetic number, because the mean of its divisors is an integer number (49892031).

Almost surely, 2^1374145734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1374145734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1596544992).

1374145734 is an abundant number, since it is smaller than the sum of its proper divisors (1818944250).

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

1374145734 is a wasteful number, since it uses less digits than its factorization.

1374145734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19641.

The product of its digits is 141120, while the sum is 39.

The square root of 1374145734 is about 37069.4717253969. The cubic root of 1374145734 is about 1111.7597102343.

The spelling of 1374145734 in words is "one billion, three hundred seventy-four million, one hundred forty-five thousand, seven hundred thirty-four".