1370939144 has 8 divisors (see below), whose sum is σ = 2570510910. Its totient is φ = 685469568.

The previous prime is 1370939123. The next prime is 1370939161. The reversal of 1370939144 is 4419390731.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1047299044 + 323640100 = 32362^2 + 17990^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85683689 + ... + 85683704.

Almost surely, 2^1370939144 is an apocalyptic number.

It is an amenable number.

1370939144 is a deficient number, since it is larger than the sum of its proper divisors (1199571766).

1370939144 is a wasteful number, since it uses less digits than its factorization.

1370939144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171367399 (or 171367395 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 1370939144 is about 37026.1953757066. The cubic root of 1370939144 is about 1110.8942673044.

The spelling of 1370939144 in words is "one billion, three hundred seventy million, nine hundred thirty-nine thousand, one hundred forty-four".