1374156040 has 16 divisors (see below), whose sum is σ = 3091851180. Its totient is φ = 549662400.

The previous prime is 1374156037. The next prime is 1374156067. The reversal of 1374156040 is 406514731.

It can be written as a sum of positive squares in 2 ways, for example, as 1216753924 + 157402116 = 34882^2 + 12546^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1374155993 and 1374156011.

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, 17176911 + ... + 17176990.

Almost surely, 2^1374156040 is an apocalyptic number.

1374156040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1374156040 is an abundant number, since it is smaller than the sum of its proper divisors (1717695140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1374156040 is a wasteful number, since it uses less digits than its factorization.

1374156040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34353912 (or 34353908 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 1374156040 is about 37069.6107344008. The cubic root of 1374156040 is about 1111.7624896016.

The spelling of 1374156040 in words is "one billion, three hundred seventy-four million, one hundred fifty-six thousand, forty".