1352620739 has 8 divisors (see below), whose sum is σ = 1369006080. Its totient is φ = 1336325256.

The previous prime is 1352620727. The next prime is 1352620751. The reversal of 1352620739 is 9370262531.

It is an interprime number because it is at equal distance from previous prime (1352620727) and next prime (1352620751).

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

It is a cyclic number.

It is not a de Polignac number, because 1352620739 - 2⁸ = 1352620483 is a prime.

It is a super-2 number, since 2×1352620739² = 3659165727145812242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1352620439) 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, 8072 + ... + 52634.

It is an arithmetic number, because the mean of its divisors is an integer number (171125760).

Almost surely, 2^1352620739 is an apocalyptic number.

1352620739 is a deficient number, since it is larger than the sum of its proper divisors (16385341).

1352620739 is a wasteful number, since it uses less digits than its factorization.

1352620739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44929.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 1352620739 is about 36777.9925906785. The cubic root of 1352620739 is about 1105.9241639712.

The spelling of 1352620739 in words is "one billion, three hundred fifty-two million, six hundred twenty thousand, seven hundred thirty-nine".