1370277725 has 6 divisors (see below), whose sum is σ = 1699144410. Its totient is φ = 1096222160.

The previous prime is 1370277703. The next prime is 1370277767. The reversal of 1370277725 is 5277720731.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 372412804 + 997864921 = 19298^2 + 31589^2 .

It is not a de Polignac number, because 1370277725 - 2¹² = 1370273629 is a prime.

It is a super-2 number, since 2×1370277725² = 3755322087262351250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 27405530 + ... + 27405579.

It is an arithmetic number, because the mean of its divisors is an integer number (283190735).

Almost surely, 2^1370277725 is an apocalyptic number.

It is an amenable number.

1370277725 is a deficient number, since it is larger than the sum of its proper divisors (328866685).

1370277725 is an equidigital number, since it uses as much as digits as its factorization.

1370277725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54811119 (or 54811114 counting only the distinct ones).

The product of its (nonzero) digits is 144060, while the sum is 41.

The square root of 1370277725 is about 37017.2625270967. The cubic root of 1370277725 is about 1110.7155857111.

The spelling of 1370277725 in words is "one billion, three hundred seventy million, two hundred seventy-seven thousand, seven hundred twenty-five".