1513923397 has 8 divisors (see below), whose sum is σ = 1730687616. Its totient is φ = 1297281552.

The previous prime is 1513923391. The next prime is 1513923407. The reversal of 1513923397 is 7933293151.

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

It is not a de Polignac number, because 1513923397 - 2¹⁵ = 1513890629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1513923391) 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, 2338 + ... + 55075.

It is an arithmetic number, because the mean of its divisors is an integer number (216335952).

Almost surely, 2^1513923397 is an apocalyptic number.

It is an amenable number.

1513923397 is a deficient number, since it is larger than the sum of its proper divisors (216764219).

1513923397 is an equidigital number, since it uses as much as digits as its factorization.

1513923397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61187.

The product of its digits is 153090, while the sum is 43.

The square root of 1513923397 is about 38909.1685467577. The cubic root of 1513923397 is about 1148.2451867875.

The spelling of 1513923397 in words is "one billion, five hundred thirteen million, nine hundred twenty-three thousand, three hundred ninety-seven".