1400341345 has 16 divisors (see below), whose sum is σ = 1817201232. Its totient is φ = 1029795840.

The previous prime is 1400341337. The next prime is 1400341381. The reversal of 1400341345 is 5431430041.

It can be written as a sum of positive squares in 8 ways, for example, as 150577441 + 1249763904 = 12271^2 + 35352^2 .

It is not a de Polignac number, because 1400341345 - 2³ = 1400341337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29032 + ... + 60361.

It is an arithmetic number, because the mean of its divisors is an integer number (113575077).

Almost surely, 2^1400341345 is an apocalyptic number.

It is an amenable number.

1400341345 is a deficient number, since it is larger than the sum of its proper divisors (416859887).

1400341345 is a wasteful number, since it uses less digits than its factorization.

1400341345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89652.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1400341345 is about 37421.1350041658. The cubic root of 1400341345 is about 1118.7798534734.

Adding to 1400341345 its reverse (5431430041), we get a palindrome (6831771386).

The spelling of 1400341345 in words is "one billion, four hundred million, three hundred forty-one thousand, three hundred forty-five".