1355731214 has 8 divisors (see below), whose sum is σ = 2038230480. Its totient is φ = 676321056.

The previous prime is 1355731211. The next prime is 1355731229. The reversal of 1355731214 is 4121375531.

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

It is a super-2 number, since 2×1355731214² = 3676014249227827592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355731211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 771179 + ... + 772934.

It is an arithmetic number, because the mean of its divisors is an integer number (254778810).

Almost surely, 2^1355731214 is an apocalyptic number.

1355731214 is a deficient number, since it is larger than the sum of its proper divisors (682499266).

1355731214 is a wasteful number, since it uses less digits than its factorization.

1355731214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544554.

The product of its digits is 12600, while the sum is 32.

The square root of 1355731214 is about 36820.2554852625. The cubic root of 1355731214 is about 1106.7712395537.

The spelling of 1355731214 in words is "one billion, three hundred fifty-five million, seven hundred thirty-one thousand, two hundred fourteen".