1370435899 has 4 divisors (see below), whose sum is σ = 1566212464. Its totient is φ = 1174659336.

The previous prime is 1370435881. The next prime is 1370435903. The reversal of 1370435899 is 9985340731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9985340731 = 19 ⋅525544249.

It is a cyclic number.

It is not a de Polignac number, because 1370435899 - 2⁹ = 1370435387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1370435809) 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 3 ways as a sum of consecutive naturals, for example, 97888272 + ... + 97888285.

It is an arithmetic number, because the mean of its divisors is an integer number (391553116).

Almost surely, 2^1370435899 is an apocalyptic number.

1370435899 is a deficient number, since it is larger than the sum of its proper divisors (195776565).

1370435899 is an equidigital number, since it uses as much as digits as its factorization.

1370435899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195776564.

The product of its (nonzero) digits is 816480, while the sum is 49.

The square root of 1370435899 is about 37019.3989551424. The cubic root of 1370435899 is about 1110.7583214681.

The spelling of 1370435899 in words is "one billion, three hundred seventy million, four hundred thirty-five thousand, eight hundred ninety-nine".