1396907253 has 12 divisors (see below), whose sum is σ = 2306005728. Its totient is φ = 798232680.

The previous prime is 1396907251. The next prime is 1396907261. The reversal of 1396907253 is 3527096931.

1396907253 is a `hidden beast` number, since 1 + 396 + 9 + 0 + 7 + 253 = 666.

It is not a de Polignac number, because 1396907253 - 2¹ = 1396907251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1396907199 and 1396907208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1396907251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11086503 + ... + 11086628.

It is an arithmetic number, because the mean of its divisors is an integer number (192167144).

Almost surely, 2^1396907253 is an apocalyptic number.

It is an amenable number.

1396907253 is a deficient number, since it is larger than the sum of its proper divisors (909098475).

1396907253 is a wasteful number, since it uses less digits than its factorization.

1396907253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22173144 (or 22173141 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 45.

The square root of 1396907253 is about 37375.2224474986. Note that the first 3 decimals coincide. The cubic root of 1396907253 is about 1117.8645676280.

The spelling of 1396907253 in words is "one billion, three hundred ninety-six million, nine hundred seven thousand, two hundred fifty-three".