1406740152 has 32 divisors (see below), whose sum is σ = 3518056080. Its totient is φ = 468752640.

The previous prime is 1406740121. The next prime is 1406740163. The reversal of 1406740152 is 2510476041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76708 + ... + 93260.

Almost surely, 2^1406740152 is an apocalyptic number.

1406740152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1406740152 is an abundant number, since it is smaller than the sum of its proper divisors (2111315928).

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

1406740152 is a wasteful number, since it uses less digits than its factorization.

1406740152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20103 (or 20099 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 1406740152 is about 37506.5347906202. The cubic root of 1406740152 is about 1120.4813386003.

The spelling of 1406740152 in words is "one billion, four hundred six million, seven hundred forty thousand, one hundred fifty-two".