1358509970 has 16 divisors (see below), whose sum is σ = 2474781120. Its totient is φ = 536856624.

The previous prime is 1358509909. The next prime is 1358510003. The reversal of 1358509970 is 799058531.

It is a Curzon 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, 817550 + ... + 819209.

It is an arithmetic number, because the mean of its divisors is an integer number (154673820).

Almost surely, 2^1358509970 is an apocalyptic number.

1358509970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1358509970 is a deficient number, since it is larger than the sum of its proper divisors (1116271150).

1358509970 is a wasteful number, since it uses less digits than its factorization.

1358509970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636849.

The product of its (nonzero) digits is 340200, while the sum is 47.

The square root of 1358509970 is about 36857.9702371143. The cubic root of 1358509970 is about 1107.5268830513.

The spelling of 1358509970 in words is "one billion, three hundred fifty-eight million, five hundred nine thousand, nine hundred seventy".