1380835598 has 4 divisors (see below), whose sum is σ = 2071253400. Its totient is φ = 690417798.

The previous prime is 1380835579. The next prime is 1380835627. The reversal of 1380835598 is 8955380831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8955380831 = 557 ⋅16077883.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 345208898 + ... + 345208901.

It is an arithmetic number, because the mean of its divisors is an integer number (517813350).

Almost surely, 2^1380835598 is an apocalyptic number.

1380835598 is a deficient number, since it is larger than the sum of its proper divisors (690417802).

1380835598 is an equidigital number, since it uses as much as digits as its factorization.

1380835598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690417801.

The product of its (nonzero) digits is 1036800, while the sum is 50.

The square root of 1380835598 is about 37159.5963110473. The cubic root of 1380835598 is about 1113.5609467059.

The spelling of 1380835598 in words is "one billion, three hundred eighty million, eight hundred thirty-five thousand, five hundred ninety-eight".