1370505407 has 2 divisors, whose sum is σ = 1370505408. Its totient is φ = 1370505406.

The previous prime is 1370505343. The next prime is 1370505457. The reversal of 1370505407 is 7045050731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1370505407 - 2⁶ = 1370505343 is a prime.

It is a super-3 number, since 3×1370505407³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1370505457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685252703 + 685252704.

It is an arithmetic number, because the mean of its divisors is an integer number (685252704).

Almost surely, 2^1370505407 is an apocalyptic number.

1370505407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1370505407 is an equidigital number, since it uses as much as digits as its factorization.

1370505407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 1370505407 is about 37020.3377483242. The cubic root of 1370505407 is about 1110.7771002339. Note that the first 3 decimals are identical.

The spelling of 1370505407 in words is "one billion, three hundred seventy million, five hundred five thousand, four hundred seven".