1300539970 has 32 divisors (see below), whose sum is σ = 2389195440. Its totient is φ = 509533440.

The previous prime is 1300539943. The next prime is 1300539983. The reversal of 1300539970 is 799350031.

It is a Cunningham number, because it is equal to 36063²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 257185369 + 1043354601 = 16037^2 + 32301^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 374040 + ... + 377500.

Almost surely, 2^1300539970 is an apocalyptic number.

1300539970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1300539970 is a deficient number, since it is larger than the sum of its proper divisors (1088655470).

1300539970 is a wasteful number, since it uses less digits than its factorization.

1300539970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4230.

The product of its (nonzero) digits is 25515, while the sum is 37.

The square root of 1300539970 is about 36063.0000138646. Note that the first 4 decimals coincide. The cubic root of 1300539970 is about 1091.5439696868.

It can be divided in two parts, 13005 and 39970, that added together give a triangular number (52975 = T₃₂₅).

The spelling of 1300539970 in words is "one billion, three hundred million, five hundred thirty-nine thousand, nine hundred seventy".