1373345157 has 8 divisors (see below), whose sum is σ = 1910741184. Its totient is φ = 875756288.

The previous prime is 1373345147. The next prime is 1373345179. The reversal of 1373345157 is 7515433731.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1373345157 - 2⁸ = 1373344901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373345147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9951708 + ... + 9951845.

It is an arithmetic number, because the mean of its divisors is an integer number (238842648).

Almost surely, 2^1373345157 is an apocalyptic number.

It is an amenable number.

1373345157 is a deficient number, since it is larger than the sum of its proper divisors (537396027).

1373345157 is a wasteful number, since it uses less digits than its factorization.

1373345157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19903579.

The product of its digits is 132300, while the sum is 39.

The square root of 1373345157 is about 37058.6718191573. The cubic root of 1373345157 is about 1111.5437646387.

Adding to 1373345157 its reverse (7515433731), we get a palindrome (8888778888).

The spelling of 1373345157 in words is "one billion, three hundred seventy-three million, three hundred forty-five thousand, one hundred fifty-seven".