1401513867 has 16 divisors (see below), whose sum is σ = 2236034080. Its totient is φ = 862469856.

The previous prime is 1401513863. The next prime is 1401513871. The reversal of 1401513867 is 7683151041.

It is an interprime number because it is at equal distance from previous prime (1401513863) and next prime (1401513871).

It is not a de Polignac number, because 1401513867 - 2² = 1401513863 is a prime.

It is a super-2 number, since 2×1401513867² = 3928482238786587378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1401513863) 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, 1996108 + ... + 1996809.

It is an arithmetic number, because the mean of its divisors is an integer number (139752130).

Almost surely, 2^1401513867 is an apocalyptic number.

1401513867 is a deficient number, since it is larger than the sum of its proper divisors (834520213).

1401513867 is a wasteful number, since it uses less digits than its factorization.

1401513867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3992939 (or 3992933 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 1401513867 is about 37436.7983006026. The cubic root of 1401513867 is about 1119.0920221313.

The spelling of 1401513867 in words is "one billion, four hundred one million, five hundred thirteen thousand, eight hundred sixty-seven".