1374156406 has 16 divisors (see below), whose sum is σ = 2431687680. Its totient is φ = 569926440.

The previous prime is 1374156401. The next prime is 1374156419. The reversal of 1374156406 is 6046514731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1374156401) 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, 1582696 + ... + 1583563.

It is an arithmetic number, because the mean of its divisors is an integer number (151980480).

Almost surely, 2^1374156406 is an apocalyptic number.

1374156406 is a deficient number, since it is larger than the sum of its proper divisors (1057531274).

1374156406 is a wasteful number, since it uses less digits than its factorization.

1374156406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3166299.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 1374156406 is about 37069.6156710587. The cubic root of 1374156406 is about 1111.7625883058.

The spelling of 1374156406 in words is "one billion, three hundred seventy-four million, one hundred fifty-six thousand, four hundred six".