1342399750 has 16 divisors (see below), whose sum is σ = 2512972800. Its totient is φ = 536959800.

The previous prime is 1342399697. The next prime is 1342399783. The reversal of 1342399750 is 579932431.

It is a junction number, because it is equal to n+sod(n) for n = 1342399697 and 1342399706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2684550 + ... + 2685049.

It is an arithmetic number, because the mean of its divisors is an integer number (157060800).

Almost surely, 2^1342399750 is an apocalyptic number.

1342399750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1342399750 is a deficient number, since it is larger than the sum of its proper divisors (1170573050).

1342399750 is an equidigital number, since it uses as much as digits as its factorization.

1342399750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5369616 (or 5369606 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 1342399750 is about 36638.7738604883. The cubic root of 1342399750 is about 1103.1315037054.

The spelling of 1342399750 in words is "one billion, three hundred forty-two million, three hundred ninety-nine thousand, seven hundred fifty".