1401376375144 has 8 divisors (see below), whose sum is σ = 2627580703410. Its totient is φ = 700688187568.

The previous prime is 1401376375127. The next prime is 1401376375153. The reversal of 1401376375144 is 4415736731041.

It can be written as a sum of positive squares in only one way, i.e., 854312004100 + 547064371044 = 924290^2 + 739638^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1401376375094 and 1401376375103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87586023439 + ... + 87586023454.

Almost surely, 2^{1401376375144} is an apocalyptic number.

It is an amenable number.

1401376375144 is a deficient number, since it is larger than the sum of its proper divisors (1226204328266).

1401376375144 is a wasteful number, since it uses less digits than its factorization.

1401376375144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175172046899 (or 175172046895 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 46.

The spelling of 1401376375144 in words is "one trillion, four hundred one billion, three hundred seventy-six million, three hundred seventy-five thousand, one hundred forty-four".