1402309126945 has 4 divisors (see below), whose sum is σ = 1682770952340. Its totient is φ = 1121847301552.

The previous prime is 1402309126921. The next prime is 1402309126951. The reversal of 1402309126945 is 5496219032041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 898129603809 + 504179523136 = 947697^2 + 710056^2 .

It is a cyclic number.

It is not a de Polignac number, because 1402309126945 - 2⁵ = 1402309126913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1402309126895 and 1402309126904.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140230912690 + ... + 140230912699.

It is an arithmetic number, because the mean of its divisors is an integer number (420692738085).

Almost surely, 2^{1402309126945} is an apocalyptic number.

It is an amenable number.

1402309126945 is a deficient number, since it is larger than the sum of its proper divisors (280461825395).

1402309126945 is an equidigital number, since it uses as much as digits as its factorization.

1402309126945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280461825394.

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 1402309126945 in words is "one trillion, four hundred two billion, three hundred nine million, one hundred twenty-six thousand, nine hundred forty-five".