1314651021 has 16 divisors (see below), whose sum is σ = 1953662400. Its totient is φ = 781463808.

The previous prime is 1314651017. The next prime is 1314651029. The reversal of 1314651021 is 1201564131.

It is a happy number.

It is not a de Polignac number, because 1314651021 - 2² = 1314651017 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1314650982 and 1314651000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1314651029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 677386 + ... + 679323.

It is an arithmetic number, because the mean of its divisors is an integer number (122103900).

Almost surely, 2^1314651021 is an apocalyptic number.

It is an amenable number.

1314651021 is a deficient number, since it is larger than the sum of its proper divisors (639011379).

1314651021 is a wasteful number, since it uses less digits than its factorization.

1314651021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356748.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1314651021 is about 36258.1166223509. The cubic root of 1314651021 is about 1095.4775815446.

The spelling of 1314651021 in words is "one billion, three hundred fourteen million, six hundred fifty-one thousand, twenty-one".