1358972641 has 8 divisors (see below), whose sum is σ = 1527140160. Its totient is φ = 1199895312.

The previous prime is 1358972633. The next prime is 1358972717. The reversal of 1358972641 is 1462798531.

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 1358972641 - 2³ = 1358972633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1358972591 and 1358972600.

It is not an unprimeable number, because it can be changed into a prime (1358972941) 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, 2272231 + ... + 2272828.

It is an arithmetic number, because the mean of its divisors is an integer number (190892520).

Almost surely, 2^1358972641 is an apocalyptic number.

It is an amenable number.

1358972641 is a deficient number, since it is larger than the sum of its proper divisors (168167519).

1358972641 is a wasteful number, since it uses less digits than its factorization.

1358972641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4545095.

The product of its digits is 362880, while the sum is 46.

The square root of 1358972641 is about 36864.2461064919. The cubic root of 1358972641 is about 1107.6525998098.

The spelling of 1358972641 in words is "one billion, three hundred fifty-eight million, nine hundred seventy-two thousand, six hundred forty-one".