1374040144 has 40 divisors (see below), whose sum is σ = 2719379520. Its totient is φ = 672369408.

The previous prime is 1374040141. The next prime is 1374040153. The reversal of 1374040144 is 4410404731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1374040141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216829 + ... + 223075.

It is an arithmetic number, because the mean of its divisors is an integer number (67984488).

Almost surely, 2^1374040144 is an apocalyptic number.

It is an amenable number.

1374040144 is a deficient number, since it is larger than the sum of its proper divisors (1345339376).

1374040144 is a wasteful number, since it uses less digits than its factorization.

1374040144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6547 (or 6541 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 1374040144 is about 37068.0474802761. The cubic root of 1374040144 is about 1111.7312334598.

Adding to 1374040144 its reverse (4410404731), we get a palindrome (5784444875).

The spelling of 1374040144 in words is "one billion, three hundred seventy-four million, forty thousand, one hundred forty-four".